Parishes by County and Society
| Cardiganshire FHS – www.cgnfhs.org.uk | Clwyd FHS – www.clwydfhs.org.uk |
Dyfed FHS – www.dyfedfhs.org.uk |
| Glamorgan FHS – www.glamfhs.org.uk | Gwent FHS – www.gwentfhs.org.uk |
Gwynedd FHS – www.chtgwyneddfhs.cymru |
| Guild of One-Name Studies – www.one-name.org | Montgomeryshire Genealogical Society (MGS) – www.montgomeryshiregs.org.uk | Powys FHS – www.powysfhs.org.uk |
AFHSW
Parishes by County and Society
| Parish (English) | Parish (Alternative Spelling) | Pre 1974 County | Post 1974 County | Society which cover |
| Abbey Cwmhir | Abaty Cwm-Hir | Radnorshire | Powys | Powys FHS |
| Aberaeron | Cardiganshire | Dyfed | Dyfed FHS | |
| Aberaeron | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Aberavon | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Aberdaron | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Aberedw | Radnorshire | Powys | Powys FHS | |
| Abererch | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Aberffraw | Anglesey | Gwynedd | Gwynedd FHS | |
| Abergavenny | Monmouthshire | Gwent | Gwent FHS | |
| Abergele | Denbighshire | Conwy | Clwyd | |
| Abergwili | Carmarthenshire | Dyfed | Dyfed FHS | |
| Abergwyngregyn | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Aberhafesp | Montgomeryshire | Powys | Powys FHS | |
| Aberhafesp | Montgomeryshire | Powys | Montgomeryshire GS | |
| Abernant | Carmarthenshire | Dyfed | Dyfed FHS | |
| Aberporth | Cardiganshire | Dyfed | Dyfed FHS | |
| Aberporth | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Aberyscir | Breconshire | Powys | Powys FHS | |
| Aberystruth | Monmouthshire | Gwent | Gwent FHS | |
| Aberystwyth | Cardiganshire | Dyfed | Dyfed FHS | |
| Aberystwyth | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Alberbury | Montgomeryshire | Powys | Powys FHS | |
| Alberbury | Montgomeryshire | Powys | Montgomeryshire GS | |
| Alltmawr | Breconshire | Powys | Powys FHS | |
| Ambleston | Pembrokeshire | Dyfed | Dyfed FHS | |
| Amlwch | Anglesey | Gwynedd | Gwynedd FHS | |
| Ammanford | Carmarthenshire | Dyfed | Dyfed FHS | |
| Amroth | Pembrokeshire | Dyfed | Dyfed FHS | |
| Angle | Pembrokeshire | Dyfed | Dyfed FHS | |
| Bagillt | Flintshire | Flintshire | Clwyd | |
| Baglan | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Bangor | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Bangor on Dee | Bangor-is-y-coed | Flintshire | Wrexham | Clwyd |
| Bangor Teifi | Cardiganshire | Dyfed | Dyfed FHS | |
| Bangor Teifi | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Battle | Breconshire | Powys | Powys FHS | |
| Bayfil | Pembrokeshire | Dyfed | Dyfed FHS | |
| Beaumaris | Anglesey | Gwynedd | Gwynedd FHS | |
| Beddgelert | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Bedwas | Monmouthshire | Gwent | Gwent FHS | |
| Bedwelty | Monmouthshire | Gwent | Gwent FHS | |
| Begelly | Pembrokeshire | Dyfed | Dyfed FHS | |
| Beguildy | Bugeildy | Radnorshire | Powys | Powys FHS |
| Berriew | Montgomeryshire | Powys | Powys FHS | |
| Berriew | Montgomeryshire | Powys | Montgomeryshire GS | |
| Berse | Bers | Denbighshire | Wrexham | Clwyd |
| Bettisfield | Flintshire | Wrexham | Clwyd | |
| Bettws | Monmouthshire | Gwent | Gwent FHS | |
| Bettws Cadewain | Montgomeryshire | Powys | Powys FHS | |
| Bettws Cadewain | Montgomeryshire | Powys | Montgomeryshire GS | |
| Bettws Disserth | Betws Diserth | Radnorshire | Powys | Powys FHS |
| Bettws Gwerfyl Goch | Merioneth | Gwynedd | Gwynedd FHS | |
| Bettws Newydd | Monmouthshire | Gwent | Gwent FHS | |
| Betws | Carmarthenshire | Dyfed | Dyfed FHS | |
| Betws Bledrws | Cardiganshire | Dyfed | Dyfed FHS | |
| Betws Bledrws | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Betws Garmon | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Betws Gwerful Goch | Betws Gwerfil Goch | Merionethshire | Denbighshire | Clwyd |
| Betws Ifan | Cardiganshire | Dyfed | Dyfed FHS | |
| Betws Ifan | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Betws Leucu | Cardiganshire | Dyfed | Dyfed FHS | |
| Betws Leucu | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Betws y Coed | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Betws-yn-Rhos | Betws Abergele | Denbighshire | Conwy | Clwyd |
| Bishopston | Llandeilo Ferwallt | Glamorgan | West Glamorgan | Glamorgan FHS |
| Bishton | Monmouthshire | Gwent | Gwent FHS | |
| Bistre | Croes Esgob | Flintshire | Flintshire | Clwyd |
| Blaenafon | Monmouthshire | Gwent | Gwent FHS | |
| Blaengwrach | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Blaenpennal | Cardiganshire | Dyfed | Dyfed FHS | |
| Blaenpennal | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Blaenporth | Cardiganshire | Dyfed | Dyfed FHS | |
| Blaenporth | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Bleddfa | Radnorshire | Powys | Powys FHS | |
| Bletherston | Pembrokeshire | Dyfed | Dyfed FHS | |
| Bodedern | Anglesey | Gwynedd | Gwynedd FHS | |
| Bodelwyddan | Flintshire | Flintshire | Clwyd | |
| Bodewryd | Anglesey | Gwynedd | Gwynedd FHS | |
| Bodfari | Flintshire | Denbighshire | Clwyd | |
| Bodferin | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Boduan | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Bodwrog | Anglesey | Gwynedd | Gwynedd FHS | |
| Bosherston | Pembrokeshire | Dyfed | Dyfed FHS | |
| Bottwnog | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Boughrood | Bochrwd | Radnorshire | Powys | Powys FHS |
| Boulston | Pembrokeshire | Dyfed | Dyfed FHS | |
| Brampton Bryan (Part) | Radnorshire | Powys | Powys FHS | |
| Brawdy | Pembrokeshire | Dyfed | Dyfed FHS | |
| Brechfa | Carmarthenshire | Dyfed | Dyfed FHS | |
| Brecon St David | Breconshire | Powys | Powys FHS | |
| Brecon St John | Breconshire | Powys | Powys FHS | |
| Brecon St Mary | Breconshire | Powys | Powys FHS | |
| Bridell | Pembrokeshire | Dyfed | Dyfed FHS | |
| Briton Ferry | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Brongwyn | Cardiganshire | Dyfed | Dyfed FHS | |
| Brongwyn | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Bronington | Flintshire | Wrexham | Clwyd | |
| Bronllys | Breconshire | Powys | Powys FHS | |
| Broughton | Denbighshire | Wrexham | Clwyd | |
| Broughton | Flintshire | Flintshire | Clwyd | |
| Brymbo | Denbighshire | Wrexham | Clwyd | |
| Bryncroes | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Bryneglwys | Denbighshire | Denbighshire | Clwyd | |
| Brynford | Brynffordd | Flintshire | Flintshire | Clwyd |
| Bryngwyn | Radnorshire | Powys | Powys FHS | |
| Bryngwyn | Monmouthshire | Gwent | Gwent FHS | |
| Brynymaen | Denbighshire | Conwy | Clwyd | |
| Buckley | Bwcle | Flintshire | Flintshire | Clwyd |
| Builth | Llanfair Ym Muallt | Breconshire | Powys | Powys FHS |
| Burton | Pembrokeshire | Dyfed | Dyfed FHS | |
| Buttington | Montgomeryshire | Powys | Powys FHS | |
| Buttington | Montgomeryshire | Powys | Montgomeryshire GS | |
| Bwlch Trewyn | Monmouthshire | Gwent | Gwent FHS | |
| Bwlchgwyn | Denbighshire | Wrexham | Clwyd | |
| Bylchau | Denbighshire | Conwy | Clwyd | |
| Cadoxton-juxta-Neath | Llangatwg | Glamorgan | West Glamorgan | Glamorgan FHS |
| Caerhun | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Caerleon | Monmouthshire | Gwent | Gwent FHS | |
| Caernarvon | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Caerwent | Monmouthshire | Gwent | Gwent FHS | |
| Caerwys | Flintshire | Flintshire | Clwyd | |
| Caldicot | Monmouthshire | Gwent | Gwent FHS | |
| Camrose | Pembrokeshire | Dyfed | Dyfed FHS | |
| Cantref | Breconshire | Powys | Powys FHS | |
| Capel Bangor | Cardiganshire | Dyfed | Dyfed FHS | |
| Capel Bangor | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Capel Colman | Pembrokeshire | Dyfed | Dyfed FHS | |
| Capel Curig | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Capel Cynon | Cardiganshire | Dyfed | Dyfed FHS | |
| Capel Cynon | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Capel Dewi | Cardiganshire | Dyfed | Dyfed FHS | |
| Capel Dewi | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Capel Garmon | St Germain | Denbighshire | Conwy | Clwyd |
| Cardigan St. Mary | Cardiganshire | Dyfed | Dyfed FHS | |
| Cardigan St. Mary | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Carew | Pembrokeshire | Dyfed | Dyfed FHS | |
| Carmarthen St. David | Carmarthenshire | Dyfed | Dyfed FHS | |
| Carmarthen St. Peter | Carmarthenshire | Dyfed | Dyfed FHS | |
| Carnguwch | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Carno | Montgomeryshire | Powys | Powys FHS | |
| Carno | Montgomeryshire | Powys | Montgomeryshire GS | |
| Cascob | Casgob | Radnorshire | Powys | Powys FHS |
| Castelldwyran | Carmarthenshire | Dyfed | Dyfed FHS | |
| Castle Caereinon | Montgomeryshire | Powys | Powys FHS | |
| Castle Caereinon | Montgomeryshire | Powys | Montgomeryshire GS | |
| Castlebythe | Pembrokeshire | Dyfed | Dyfed FHS | |
| Castlemartin | Pembrokeshire | Dyfed | Dyfed FHS | |
| Cathedin | Breconshire | Powys | Powys FHS | |
| Cefn Meiriadog | Cefn | Denbighshire | Denbighshire | Clwyd |
| Cefnllys | Radnorshire | Powys | Powys FHS | |
| Ceidio | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Ceirchiog | Anglesey | Gwynedd | Gwynedd FHS | |
| Cellan | Cardiganshire | Dyfed | Dyfed FHS | |
| Cellan | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Cemmaes | Montgomeryshire | Powys | Powys FHS | |
| Cemmaes | Montgomeryshire | Powys | Montgomeryshire GS | |
| Cenarth | Carmarthenshire | Dyfed | Dyfed FHS | |
| Cerrigceinwen | Anglesey | Gwynedd | Gwynedd FHS | |
| Cerrigydrudion | Denbighshire | Conwy | Clwyd | |
| Chapel Hill | Monmouthshire | Gwent | Gwent FHS | |
| Chepstow | Monmouthshire | Gwent | Gwent FHS | |
| Cheriton | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Chirk | Y Waun | Denbighshire | Wrexham | Clwyd |
| Christchurch | Monmouthshire | Gwent | Gwent FHS | |
| Churchstoke | Montgomeryshire | Powys | Powys FHS | |
| Churchstoke | Montgomeryshire | Powys | Montgomeryshire GS | |
| Cilcain | Flintshire | Flintshire | Clwyd | |
| Cilcennin | Cardiganshire | Dyfed | Dyfed FHS | |
| Cilcennin | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Cilgerran | Pembrokeshire | Dyfed | Dyfed FHS | |
| Ciliau Aeron | Cardiganshire | Dyfed | Dyfed FHS | |
| Ciliau Aeron | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Cilrhedyn | Pembrokeshire | Dyfed | Dyfed FHS | |
| Cilybebyll | Killybebill (19th C) | Glamorgan | West Glamorgan | Glamorgan FHS |
| Cilycwm | Carmarthenshire | Dyfed | Dyfed FHS | |
| Cilymaenllwyd | Carmarthenshire | Dyfed | Dyfed FHS | |
| Clarbeston | Pembrokeshire | Dyfed | Dyfed FHS | |
| Clocaenog | Denbighshire | Denbighshire | Clwyd | |
| Clydach is largely in Rhyndwyclydach,Llangyfelach | Glamorgan FHS | |||
| Clydau | Pembrokeshire | Dyfed | Dyfed FHS | |
| Clynnog Vawr | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Clyro | Cleirwy | Radnorshire | Powys | Powys FHS |
| Clytha | Monmouthshire | Gwent | Gwent FHS | |
| Coedana | Anglesey | Gwynedd | Gwynedd FHS | |
| Coedkernew | Monmouthshire | Gwent | Gwent FHS | |
| Coedpoeth | Denbighshire | Wrexham | Clwyd | |
| Colva | Colfa | Radnorshire | Powys | Powys FHS |
| Colwyn | Denbighshire | Conwy | Clwyd | |
| Colwyn Bay | Bae Colwyn | Denbighshire | Conwy | Clwyd |
| Connah’s Quay | Flintshire | Flintshire | Clwyd | |
| Conway | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Corwen | Merionethshire | Denbighshire | Clwyd | |
| Corwen | Merioneth | Gwynedd | Gwynedd FHS | |
| Cosheston | Pembrokeshire | Dyfed | Dyfed FHS | |
| Cregrina | Craig Furuna | Radnorshire | Powys | Powys FHS |
| Cricieth | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Crickadarn | Crucadarn | Breconshire | Powys | Powys FHS |
| Crickhowell | Crughywel | Breconshire | Powys | Powys FHS |
| Crinow | Pembrokeshire | Dyfed | Dyfed FHS | |
| Crunwear | Pembrokeshire | Dyfed | Dyfed FHS | |
| Cwm | Flintshire | Denbighshire | Clwyd | |
| Cwmaman | Carmarthenshire | Dyfed | Dyfed FHS | |
| Cwmcarvan | Monmouthshire | Gwent | Gwent FHS | |
| Cwmyoy Lower | Monmouthshire | Gwent | Gwent FHS | |
| Cwmyoy Upper | Monmouthshire | Gwent | Gwent FHS | |
| Cyffig | Carmarthenshire | Dyfed | Dyfed FHS | |
| Cynwyl Elvet | Carmarthenshire | Dyfed | Dyfed FHS | |
| Cynwyl Gaeo | Carmarthenshire | Dyfed | Dyfed FHS | |
| Dale | Pembrokeshire | Dyfed | Dyfed FHS | |
| Darowen | Montgomeryshire | Powys | Powys FHS | |
| Darowen | Montgomeryshire | Powys | Montgomeryshire GS | |
| Defynnog | Breconshire | Powys | Powys FHS | |
| Denbigh | Dinbych | Denbighshire | Denbighshire | Clwyd |
| Deneio | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Derwen | Denbighshire | Denbighshire | Clwyd | |
| Dihewid | Cardiganshire | Dyfed | Dyfed FHS | |
| Dihewid | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Dinas | Pembrokeshire | Dyfed | Dyfed FHS | |
| Dingestow | Monmouthshire | Gwent | Gwent FHS | |
| Dinham | Monmouthshire | Gwent | Gwent FHS | |
| Dinmael | Denbighshire | Conwy | Clwyd | |
| Discoed | Discoyd or Disgoed | Radnorshire | Powys | Powys FHS |
| Disserth | Diserth | Radnorshire | Powys | Powys FHS |
| Dixton Hadnock | Monmouthshire | Gwent | Gwent FHS | |
| Dixton Newton | Monmouthshire | Gwent | Gwent FHS | |
| Dolbenmaen | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Dolgellau | Merioneth | Gwynedd | Gwynedd FHS | |
| Dolwyddelan | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Duffryn | Monmouthshire | Gwent | Gwent FHS | |
| Dwygyfylchi | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Dyserth | Diserth | Flintshire | Denbighshire | Clwyd |
| Edern | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Efenechtyd | Efenechdyd | Denbighshire | Denbighshire | Clwyd |
| Eglwys Cymyn | Carmarthenshire | Dyfed | Dyfed FHS | |
| Eglwys Fach | Cardiganshire | Dyfed | Dyfed FHS | |
| Eglwys Fach | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Eglwys Fair a Churig | Carmarthenshire | Dyfed | Dyfed FHS | |
| Eglwys Newydd | Cardiganshire | Dyfed | Dyfed FHS | |
| Eglwys Newydd | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Eglwysbach | Denbighshire | Conwy | Clwyd | |
| Eglwyswrw | Pembrokeshire | Dyfed | Dyfed FHS | |
| Egremont | Carmarthenshire | Dyfed | Dyfed FHS | |
| Elerch | Cardiganshire | Dyfed | Dyfed FHS | |
| Elerch | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Erbistock | Erbistog | Denbighshire | Wrexham | Clwyd |
| Erryrys | Eryrys | Denbighshire | Denbighshire | Clwyd |
| Esclusham | Denbighshire | Wrexham | Clwyd | |
| Evenjobb | Evancoyd | Radnorshire | Powys | Powys FHS |
| Ffestiniog | Merioneth | Gwynedd | Gwynedd FHS | |
| Ffynnongroyw | Flintshire | Flintshire | Clwyd | |
| Fishguard | Pembrokeshire | Dyfed | Dyfed FHS | |
| Flint | Y Fflint | Flintshire | Flintshire | Clwyd |
| Ford | Pembrokeshire | Dyfed | Dyfed FHS | |
| Forden | Montgomeryshire | Powys | Powys FHS | |
| Forden | Montgomeryshire | Powys | Montgomeryshire GS | |
| Freystrop | Pembrokeshire | Dyfed | Dyfed FHS | |
| Froncysyllte | Froncysylltau | Denbighshire | Wrexham | Clwyd |
| Fwthwg | Monmouthshire | Gwent | Gwent FHS | |
| Garden Village | Denbighshire | Wrexham | Clwyd | |
| Garth Brengy | Breconshire | Powys | Powys FHS | |
| Gartheli | Cardiganshire | Dyfed | Dyfed FHS | |
| Gartheli | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Gladestry | Llanfair Llythyfnwg | Radnorshire | Powys | Powys FHS |
| Glasbury (Part) | Y Clas-ar-Wy | Breconshire | Powys | Powys FHS |
| Glasbury (Part) | Y Clas-ar-Wy | Radnorshire | Powys | Powys FHS |
| Glascoed | Monmouthshire | Gwent | Gwent FHS | |
| Glascombe | Glascwm | Radnorshire | Powys | Powys FHS |
| Glyncorrwg | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Glyndyfrdwy | Merionethshire | Denbighshire | Clwyd | |
| Goetre | Monmouthshire | Gwent | Gwent FHS | |
| Goldcliff | Monmouthshire | Gwent | Gwent FHS | |
| Gorsedd | Flintshire | Flintshire | Clwyd | |
| Gorseinon derives from parts of Loughor, Llandeilo Talybont and Llangyfelach | Glamorgan FHS | |||
| Gorslas | Carmarthenshire | Dyfed | Dyfed FHS | |
| Graig | Monmouthshire | Gwent | Gwent FHS | |
| Granston | Pembrokeshire | Dyfed | Dyfed FHS | |
| Greenfield | Maes- Glas | Flintshire | Flintshire | Clwyd |
| Gresford | Gresffordd | Denbighshire | Wrexham | Clwyd |
| Grosmont | Monmouthshire | Gwent | Gwent FHS | |
| Guilsfield | Montgomeryshire | Powys | Powys FHS | |
| Guilsfield | Montgomeryshire | Powys | Montgomeryshire GS | |
| Gumfreston | Pembrokeshire | Dyfed | Dyfed FHS | |
| Gwaenysgor | Flintshire | Flintshire | Clwyd | |
| Gwehellog | Monmouthshire | Gwent | Gwent FHS | |
| Gwenddwr | Breconshire | Powys | Powys FHS | |
| Gwernaffield | Waun | Flintshire | Flintshire | Clwyd |
| Gwernesney | Monmouthshire | Gwent | Gwent FHS | |
| Gwersyllt | Denbighshire | Wrexham | Clwyd | |
| Gwnnws | Cardiganshire | Dyfed | Dyfed FHS | |
| Gwnnws | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Gwredog | Anglesey | Gwynedd | Gwynedd FHS | |
| Gwyddelwern | Merionethshire | Denbighshire | Clwyd | |
| Gwyddelwern | Merioneth | Gwynedd | Gwynedd FHS | |
| Gwytherin | Denbighshire | Conwy | Clwyd | |
| Gyffin | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Gyffylliog | Cyffylliog | Denbighshire | Denbighshire | Clwyd |
| Halkyn | Helygain | Flintshire | Flintshire | Clwyd |
| Hanmer | Flintshire | Wrexham | Clwyd | |
| Haroldston St. Issells | Pembrokeshire | Dyfed | Dyfed FHS | |
| Haroldston West | Pembrokeshire | Dyfed | Dyfed FHS | |
| Hasguard | Pembrokeshire | Dyfed | Dyfed FHS | |
| Haverfordwest | Pembrokeshire | Dyfed | Dyfed FHS | |
| Haverfordwest St. Martin | Pembrokeshire | Dyfed | Dyfed FHS | |
| Haverfordwest St. Mary | Pembrokeshire | Dyfed | Dyfed FHS | |
| Haverfordwest St. Thomas | Pembrokeshire | Dyfed | Dyfed FHS | |
| Hawarden | Penarlâg | Flintshire | Flintshire | Clwyd |
| Hay | Y Gelli | Breconshire | Powys | Powys FHS |
| Hayscastle | Pembrokeshire | Dyfed | Dyfed FHS | |
| Heneglwys | Anglesey | Gwynedd | Gwynedd FHS | |
| Henfynyw | Cardiganshire | Dyfed | Dyfed FHS | |
| Henfynyw | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Henllan | Denbighshire | Denbighshire | Clwyd | |
| Henllan | Cardiganshire | Dyfed | Dyfed FHS | |
| Henllan | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Henllan Amgoed | Carmarthenshire | Dyfed | Dyfed FHS | |
| Henllys | Monmouthshire | Gwent | Gwent FHS | |
| Henry’s Moat | Pembrokeshire | Dyfed | Dyfed FHS | |
| Herbranston | Pembrokeshire | Dyfed | Dyfed FHS | |
| Heyop | Llanddewi-yn-Heiob | Radnorshire | Powys | Powys FHS |
| Higher Kinnerton | Flintshire | Flintshire | Clwyd | |
| Hirnant | Montgomeryshire | Powys | Powys FHS | |
| Hirnant | Montgomeryshire | Powys | Montgomeryshire GS | |
| Hodgeston | Pembrokeshire | Dyfed | Dyfed FHS | |
| Holt | Denbighshire | Wrexham | Clwyd | |
| Holyhead | Anglesey | Gwynedd | Gwynedd FHS | |
| Holywell | Treffynnon | Flintshire | Flintshire | Clwyd |
| Hope | Yr Hob | Flintshire | Flintshire | Clwyd |
| Howick | Monmouthshire | Gwent | Gwent FHS | |
| Hubberston | Pembrokeshire | Dyfed | Dyfed FHS | |
| Hundleton | Pembrokeshire | Dyfed | Dyfed FHS | |
| Hyssington | Montgomeryshire | Powys | Powys FHS | |
| Hyssington | Montgomeryshire | Powys | Montgomeryshire GS | |
| Ifton | Monmouthshire | Gwent | Gwent FHS | |
| Ilston | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Iscoyd | Is-coed/Whitewell | Flintshire | Wrexham | Clwyd |
| Isycoed | Denbighshire | Wrexham | Clwyd | |
| Itton | Monmouthshire | Gwent | Gwent FHS | |
| Jeffreyston | Pembrokeshire | Dyfed | Dyfed FHS | |
| Johnston | Pembrokeshire | Dyfed | Dyfed FHS | |
| Jordanston | Pembrokeshire | Dyfed | Dyfed FHS | |
| Kerneys Commander | Monmouthshire | Gwent | Gwent FHS | |
| Kerneys Inferior | Monmouthshire | Gwent | Gwent FHS | |
| Kerry | Ceri | Montgomeryshire | Powys | Powys FHS |
| Kerry | Ceri | Montgomeryshire | Powys | Montgomeryshire GS |
| Kidwelly | Carmarthenshire | Dyfed | Dyfed FHS | |
| Kilgwrrwg | Monmouthshire | Gwent | Gwent FHS | |
| Knelston | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Knighton | Treyclawdd | Radnorshire | Powys | Powys FHS |
| Lache-cum-Saltney | Saltney | Flintshire | Flintshire | Clwyd |
| Lambston | Pembrokeshire | Dyfed | Dyfed FHS | |
| Lampeter | Cardiganshire | Dyfed | Dyfed FHS | |
| Lampeter | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Lampeter Velfrey | Pembrokeshire | Dyfed | Dyfed FHS | |
| Lamphey | Pembrokeshire | Dyfed | Dyfed FHS | |
| Langstone | Monmouthshire | Gwent | Gwent FHS | |
| Laugharne | Carmarthenshire | Dyfed | Dyfed FHS | |
| Lawrenny | Pembrokeshire | Dyfed | Dyfed FHS | |
| Letterston | Pembrokeshire | Dyfed | Dyfed FHS | |
| Little Newcastle | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llanaber | Merioneth | Gwynedd | Gwynedd FHS | |
| Llanaelhaearn | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llanafan | Cardiganshire | Dyfed | Dyfed FHS | |
| Llanafan | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llanafan Fawr | Breconshire | Powys | Powys FHS | |
| Llanafan Fechan | Breconshire | Powys | Powys FHS | |
| Llanallgo | Anglesey | Gwynedd | Gwynedd FHS | |
| Llananno | Radnorshire | Powys | Powys FHS | |
| Llanarmon | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llanarmon Dyffryn Ceiriog | Denbighshire | Wrexham | Clwyd | |
| Llanarmon Mynydd Mawr | Denbighshire | Powys | Clwyd | |
| Llanarmon yn Iâl | Denbighshire | Denbighshire | Clwyd | |
| Llanarth | Monmouthshire | Gwent | Gwent FHS | |
| Llanarthney | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanasa | Flintshire | Flintshire | Clwyd | |
| Llanbabo | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanbadarn Fawr | Radnorshire | Powys | Powys FHS | |
| Llanbadarn Fawr | Cardiganshire | Dyfed | Dyfed FHS | |
| Llanbadarn Fawr | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llanbadarn Fynydd | Radnorshire | Powys | Powys FHS | |
| Llanbadarn Odwyn | Cardiganshire | Dyfed | Dyfed FHS | |
| Llanbadarn Odwyn | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llanbadarn Trefeglwys | Cardiganshire | Dyfed | Dyfed FHS | |
| Llanbadarn Trefeglwys | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llanbadarn-y-Creuddyn | Cardiganshire | Dyfed | Dyfed FHS | |
| Llanbadarn-y-Creuddyn | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llanbadarn-y-Garreg | Llanbadarn-y-Garreg | Radnorshire | Powys | Powys FHS |
| Llanbadog | Monmouthshire | Gwent | Gwent FHS | |
| Llanbadrig | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanbeblig | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llanbedr | Merioneth | Gwynedd | Gwynedd FHS | |
| Llanbedr Dyffryn Clwyd | Denbighshire | Denbighshire | Clwyd | |
| Llanbedr Newborough | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanbedr Painscastle | Llanbedr Castell-Paen | Radnorshire | Powys | Powys FHS |
| Llanbedr y Cennin | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llanbedr Ystrrad Yw | Breconshire | Powys | Powys FHS | |
| Llanbedr-goch | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanbedrog | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llanberis | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llanbeulan | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanbister | Radnorshire | Powys | Powys FHS | |
| Llanboidy | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanbrynmair | Montgomeryshire | Powys | Powys FHS | |
| Llanbrynmair | Montgomeryshire | Powys | Montgomeryshire GS | |
| Llandaniel-Fab | Anglesey | Gwynedd | Gwynedd FHS | |
| Llandanwg | Merioneth | Gwynedd | Gwynedd FHS | |
| Llandawke | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanddarog | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanddeiniol | Cardiganshire | Dyfed | Dyfed FHS | |
| Llanddeiniol | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llanddeiniolen | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llanddeiniolen | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llandderfel | Merioneth | Gwynedd | Gwynedd FHS | |
| Llanddeti | Llanthetty | Breconshire | Powys | Powys FHS |
| Llanddeusant | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanddeusant | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanddew | Breconshire | Powys | Powys FHS | |
| Llanddewi | Denbighshire | Conwy | Clwyd | |
| Llanddewi Aberarth | Cardiganshire | Dyfed | Dyfed FHS | |
| Llanddewi Aberarth | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llanddewi Abergwesyn | Breconshire | Powys | Powys FHS | |
| Llanddewi Brefi | Cardiganshire | Dyfed | Dyfed FHS | |
| Llanddewi Brefi | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llanddewi Fach | Monmouthshire | Gwent | Gwent FHS | |
| Llanddewi Rhydderch | Monmouthshire | Gwent | Gwent FHS | |
| Llanddewi Skirrid | Monmouthshire | Gwent | Gwent FHS | |
| Llanddewi Velfrey | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llanddewi’r Cwm | Breconshire | Powys | Powys FHS | |
| Llanddoget | Llanddoged | Denbighshire | Conwy | Clwyd |
| Llanddowror | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanddulas | Denbighshire | Conwy | Clwyd | |
| Llanddwywe | Merioneth | Gwynedd | Gwynedd FHS | |
| Llanddyfnan | Anglesey | Gwynedd | Gwynedd FHS | |
| Llandecwyn | Merioneth | Gwynedd | Gwynedd FHS | |
| Llandefaelog Fach | Breconshire | Powys | Powys FHS | |
| Llandefaelog Tre’r Graig | Breconshire | Powys | Powys FHS | |
| Llandefalle | Breconshire | Powys | Powys FHS | |
| Llandegai | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llandegfan | Anglesey | Gwynedd | Gwynedd FHS | |
| Llandegfedd | Monmouthshire | Gwent | Gwent FHS | |
| Llandegla | Denbighshire | Denbighshire | Clwyd | |
| Llandegley | Llandeglau | Radnorshire | Powys | Powys FHS |
| Llandegwning | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llandeilo | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llandeilo Abercywyn | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llandeilo Fawr | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llandeilo Graban | Radnorshire | Powys | Powys FHS | |
| Llandeilo’r Fan | Breconshire | Powys | Powys FHS | |
| Llandeilo-Talybont | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Llandeloy | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llandenny | Monmouthshire | Gwent | Gwent FHS | |
| Llandevaud | Monmouthshire | Gwent | Gwent FHS | |
| Llandevenny | Monmouthshire | Gwent | Gwent FHS | |
| Llandewi | Llanddewi | Glamorgan | West Glamorgan | Glamorgan FHS |
| Llandewi Fach | Radnorshire | Powys | Powys FHS | |
| Llandewi Ystradenny | Llanddewi Ystradenni | Radnorshire | Powys | Powys FHS |
| Llandinam | Montgomeryshire | Powys | Powys FHS | |
| Llandinam | Montgomeryshire | Powys | Montgomeryshire GS | |
| Llandingad | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llandogo | Monmouthshire | Gwent | Gwent FHS | |
| Llandona | Anglesey | Gwynedd | Gwynedd FHS | |
| Llandrillo | Merioneth | Gwynedd | Gwynedd FHS | |
| Llandrillo-yn-Edeirnion | Llandrillo-yn-Edeyrnion | Merionethshire | Denbighshire | Clwyd |
| Llandrillo-yn-Rhos | Denbighshire | Conwy | Clwyd | |
| Llandrindod Wells | Radnorshire | Powys | Powys FHS | |
| Llandrinio | Montgomeryshire | Powys | Powys FHS | |
| Llandrinio | Montgomeryshire | Powys | Montgomeryshire GS | |
| Llandrygarn | Anglesey | Gwynedd | Gwynedd FHS | |
| Llandudno | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llandudwen | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llandulas | Breconshire | Powys | Powys FHS | |
| Llandwrog | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llandybie | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llandyfaelog | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llandyfeisant | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llandyfriog | Cardiganshire | Dyfed | Dyfed FHS | |
| Llandyfriog | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llandyfrydog | Anglesey | Gwynedd | Gwynedd FHS | |
| Llandygai | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llandygwydd | Cardiganshire | Dyfed | Dyfed FHS | |
| Llandygwydd | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llandyrnog | Denbighshire | Denbighshire | Clwyd | |
| Llandysil | Montgomeryshire | Powys | Powys FHS | |
| Llandysil | Montgomeryshire | Powys | Montgomeryshire GS | |
| Llandysilio | Montgomeryshire | Powys | Powys FHS | |
| Llandysilio | Montgomeryshire | Powys | Montgomeryshire GS | |
| Llandysilio | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llandysilio | Anglesey | Gwynedd | Gwynedd FHS | |
| Llandysiliogogo | Cardiganshire | Dyfed | Dyfed FHS | |
| Llandysiliogogo | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llandysul | Cardiganshire | Dyfed | Dyfed FHS | |
| Llandysul | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llanedi | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanedwen | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanegryn | Merioneth | Gwynedd | Gwynedd FHS | |
| Llanegwad | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llaneilian | Anglesey | Gwynedd | Gwynedd FHS | |
| Llaneilian-yn-Rhos | Llaneilian | Denbighshire | Conwy | Clwyd |
| Llanelen | Monmouthshire | Gwent | Gwent FHS | |
| Llanelidan | Denbighshire | Denbighshire | Clwyd | |
| Llanelieu | Breconshire | Powys | Powys FHS | |
| Llanelli | Breconshire | Powys | Powys FHS | |
| Llanelli gwledig | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanelltyd | Merioneth | Gwynedd | Gwynedd FHS | |
| Llanelly | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanelwedd | Radnorshire | Powys | Powys FHS | |
| Llanenddwyn | Merioneth | Gwynedd | Gwynedd FHS | |
| Llanengan | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llaneugrad | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanfachairn | Montgomeryshire | Powys | Powys FHS | |
| Llanfachairn | Montgomeryshire | Powys | Montgomeryshire GS | |
| Llanfachreth | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanfachreth | Merioneth | Gwynedd | Gwynedd FHS | |
| Llanfaelog | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanfaelrhys | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llan-faes | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanfaethlu | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanfaglan | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llanfair | Merioneth | Gwynedd | Gwynedd FHS | |
| Llanfair Clydogau | Cardiganshire | Dyfed | Dyfed FHS | |
| Llanfair Clydogau | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llanfair Discoed | Monmouthshire | Gwent | Gwent FHS | |
| Llanfair Dyffryn Clwyd | Denbighshire | Denbighshire | Clwyd | |
| Llanfair Kilgeddin | Monmouthshire | Gwent | Gwent FHS | |
| Llanfair Mathafarn Eithaf | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanfair Nant-Gwyn | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llanfair Nant-y-Gof | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llanfair Orllwyn | Cardiganshire | Dyfed | Dyfed FHS | |
| Llanfair Orllwyn | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llanfair Pwllgwyngyll | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanfair Talhaearn | Denbighshire | Conwy | Clwyd | |
| Llanfair y Cwmwd | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanfair yn Neubwll | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanfair-ar-y-Bryn | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanfairfechan | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| LlanfairisGaer | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llanfair-yng-hornwy | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanfallteg | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanfaredd | Radnorshire | Powys | Powys FHS | |
| Llanfawr | Merioneth | Gwynedd | Gwynedd FHS | |
| Llanfechell | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanfedw | Monmouthshire | Gwent | Gwent FHS | |
| Llanferres | Denbighshire | Denbighshire | Clwyd | |
| Llanfeugan | Breconshire | Powys | Powys FHS | |
| Llanffinan | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanfflewyn | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanfihangel (Rogiet) | Monmouthshire | Gwent | Gwent FHS | |
| Llanfihangel Aberbythych | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanfihangel Abercywyn | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanfihangel Abergwesyn | Breconshire | Powys | Powys FHS | |
| Llanfihangel Bachellaeth | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llanfihangel Bryn Pabuan | Breconshire | Powys | Powys FHS | |
| Llanfihangel Cilfargen | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanfihangel Crucorney | Monmouthshire | Gwent | Gwent FHS | |
| Llanfihangel Cwmdu | Breconshire | Powys | Powys FHS | |
| Llanfihangel Dyn Sylwy | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanfihangel Fechan | Breconshire | Powys | Powys FHS | |
| Llanfihangel Genau’r-Glyn | Cardiganshire | Dyfed | Dyfed FHS | |
| Llanfihangel Genau’r-Glyn | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llanfihangel Glyn Myfyr | Denbighshire | Conwy | Clwyd | |
| Llanfihangel Helygen | Radnorshire | Powys | Powys FHS | |
| Llanfihangel Juxta (Usk) | Monmouthshire | Gwent | Gwent FHS | |
| Llanfihangel Llantarnam | Monmouthshire | Gwent | Gwent FHS | |
| Llanfihangel Nant Bran | Breconshire | Powys | Powys FHS | |
| Llanfihangel Nant Melan | Radnorshire | Powys | Powys FHS | |
| Llanfihangel Penbedw | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llanfihangel Pont-y-moel | Monmouthshire | Gwent | Gwent FHS | |
| Llanfihangel Rhos-y-Corn | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanfihangel Rhydithon | Llanfihangel Rhydieithon | Radnorshire | Powys | Powys FHS |
| Llanfihangel Torymynydd | Monmouthshire | Gwent | Gwent FHS | |
| Llanfihangel Tre’r Beirdd | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanfihangel y Pennant | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llanfihangel y Pennant | Merioneth | Gwynedd | Gwynedd FHS | |
| Llanfihangel y Traethau | Merioneth | Gwynedd | Gwynedd FHS | |
| Llanfihangel yn Nhowyn | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanfihangel Yscefiog | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanfihangel Ysternllewern | Monmouthshire | Gwent | Gwent FHS | |
| Llanfihangel Ystrad | Cardiganshire | Dyfed | Dyfed FHS | |
| Llanfihangel Ystrad | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llanfihangel-ar-Arth | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanfihangel-y-Creuddyn | Cardiganshire | Dyfed | Dyfed FHS | |
| Llanfihangel-y-Creuddyn | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llanfihangel-yn-Ngwynfa | Montgomeryshire | Powys | Powys FHS | |
| Llanfihangel-yn-Ngwynfa | Montgomeryshire | Powys | Montgomeryshire GS | |
| Llanfilo | Breconshire | Powys | Powys FHS | |
| Llanfoist | Monmouthshire | Gwent | Gwent FHS | |
| Llanfrecha Lower | Monmouthshire | Gwent | Gwent FHS | |
| Llanfrecha Upper | Monmouthshire | Gwent | Gwent FHS | |
| Llanfrothen | Merioneth | Gwynedd | Gwynedd FHS | |
| Llanfrynach | Breconshire | Powys | Powys FHS | |
| Llanfugail | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanfwrog | Denbighshire | Denbighshire | Clwyd | |
| Llanfwrog | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanfyllin | Montgomeryshire | Powys | Powys FHS | |
| Llanfyllin | Montgomeryshire | Powys | Montgomeryshire GS | |
| Llanfynydd | Flintshire | Flintshire | Clwyd | |
| Llanfynydd | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanfyrnach | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llangadog | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llangadwaladr | Denbighshire | Powys | Clwyd | |
| Llangadwaladr | Anglesey | Gwynedd | Gwynedd FHS | |
| Llangaffo | Anglesey | Gwynedd | Gwynedd FHS | |
| Llangain | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llangammarch | Breconshire | Powys | Powys FHS | |
| Llangan | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanganten | Breconshire | Powys | Powys FHS | |
| Llangar | Merionethshire | Denbighshire | Clwyd | |
| Llangar | Merioneth | Gwynedd | Gwynedd FHS | |
| Llangasty-Tal-y-Llyn | Breconshire | Powys | Powys FHS | |
| Llangathen | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llangattock | Breconshire | Powys | Powys FHS | |
| Llangattock | Monmouthshire | Gwent | Gwent FHS | |
| Llangattock Lingoed | Monmouthshire | Gwent | Gwent FHS | |
| Llangattock Nigh (Usk) | Monmouthshire | Gwent | Gwent FHS | |
| Llangattock Vibon Avel | Monmouthshire | Gwent | Gwent FHS | |
| Llangedwyn | Denbighshire | Powys | Clwyd | |
| Llangefni | Anglesey | Gwynedd | Gwynedd FHS | |
| Llangeinwen | Anglesey | Gwynedd | Gwynedd FHS | |
| Llangeitho | Cardiganshire | Dyfed | Dyfed FHS | |
| Llangeitho | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llangeler | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llangelynin | Merioneth | Gwynedd | Gwynedd FHS | |
| Llangelynnin | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llangennech | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llangenni | Breconshire | Powys | Powys FHS | |
| Llangennith | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Llangernyw | Denbighshire | Conwy | Clwyd | |
| Llangeview | Monmouthshire | Gwent | Gwent FHS | |
| Llangian | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llangibby | Monmouthshire | Gwent | Gwent FHS | |
| Llanglydwen | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llangoed | Anglesey | Gwynedd | Gwynedd FHS | |
| Llangoedmor | Cardiganshire | Dyfed | Dyfed FHS | |
| Llangoedmor | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llangollen | Denbighshire | Denbighshire | Clwyd | |
| Llangolman | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llangorse | Llangors | Breconshire | Powys | Powys FHS |
| Llangorwen | Cardiganshire | Dyfed | Dyfed FHS | |
| Llangorwen | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llangovan | Monmouthshire | Gwent | Gwent FHS | |
| Llangower | Merioneth | Gwynedd | Gwynedd FHS | |
| Llangrannog | Cardiganshire | Dyfed | Dyfed FHS | |
| Llangrannog | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llangristiolus | Anglesey | Gwynedd | Gwynedd FHS | |
| Llangua | Monmouthshire | Gwent | Gwent FHS | |
| Llanguicke | Llangiwg | Glamorgan | West Glamorgan | Glamorgan FHS |
| Llangunllo | Llangynllo | Radnorshire | Powys | Powys FHS |
| Llangunnor | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llangurig | Montgomeryshire | Powys | Powys FHS | |
| Llangurig | Montgomeryshire | Powys | Montgomeryshire GS | |
| Llangwm | Denbighshire | Conwy | Clwyd | |
| Llangwm | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llangwm Isaf | Monmouthshire | Gwent | Gwent FHS | |
| Llangwm Uchaf | Monmouthshire | Gwent | Gwent FHS | |
| Llangwnnadl | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llangwstennin | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llangwyfan | Denbighshire | Denbighshire | Clwyd | |
| Llangwyfan | Anglesey | Gwynedd | Gwynedd FHS | |
| Llangwyllog | Anglesey | Gwynedd | Gwynedd FHS | |
| Llangwyryfon | Cardiganshire | Dyfed | Dyfed FHS | |
| Llangwyryfon | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llangybi | Cardiganshire | Dyfed | Dyfed FHS | |
| Llangybi | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llangybi | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llangyfelach | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Llangyndeyrn | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llangynfelin | Cardiganshire | Dyfed | Dyfed FHS | |
| Llangynfelin | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llangynhafal | Denbighshire | Denbighshire | Clwyd | |
| Llangynidr | Breconshire | Powys | Powys FHS | |
| Llangyniew | Montgomeryshire | Powys | Powys FHS | |
| Llangyniew | Montgomeryshire | Powys | Montgomeryshire GS | |
| Llangynin | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llangynllo | Cardiganshire | Dyfed | Dyfed FHS | |
| Llangynllo | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llangynog | Breconshire | Powys | Powys FHS | |
| Llangynog | Montgomeryshire | Powys | Powys FHS | |
| Llangynog | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llangynog | Montgomeryshire | Powys | Montgomeryshire GS | |
| Llangynwyd | Glamorgan | WestGlamorgan/Mid Glamorgan | Glamorgan FHS | |
| Llanhamlach | Breconshire | Powys | Powys FHS | |
| Llanhennock | Monmouthshire | Gwent | Gwent FHS | |
| Llanhilleth | Monmouthshire | Gwent | Gwent FHS | |
| Llanhowel | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llanidan | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanidloes | Montgomeryshire | Powys | Powys FHS | |
| Llanidloes | Montgomeryshire | Powys | Montgomeryshire GS | |
| Llaniestyn | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llaniestyn | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanigon | Breconshire | Powys | Powys FHS | |
| Llanilar | Cardiganshire | Dyfed | Dyfed FHS | |
| Llanilar | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llanina | Cardiganshire | Dyfed | Dyfed FHS | |
| Llanina | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llanishen | Monmouthshire | Gwent | Gwent FHS | |
| Llanllawddog | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanllawer | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llanllechid | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llanlleonfel | Llanllywenfel | Breconshire | Powys | Powys FHS |
| Llanllibio | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanllowell | Monmouthshire | Gwent | Gwent FHS | |
| Llanllugan | Montgomeryshire | Powys | Powys FHS | |
| Llanllugan | Montgomeryshire | Powys | Montgomeryshire GS | |
| Llanllwch | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanllwchaearn | Cardiganshire | Dyfed | Dyfed FHS | |
| Llanllwchaearn | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llanllwni | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanllyfni | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llanmadoc | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Llanmartin | Monmouthshire | Gwent | Gwent FHS | |
| Llanmerewig | Montgomeryshire | Powys | Powys FHS | |
| Llanmerewig | Montgomeryshire | Powys | Montgomeryshire GS | |
| Llanmynech | Montgomeryshire | Powys | Powys FHS | |
| Llanmynech | Montgomeryshire | Powys | Montgomeryshire GS | |
| Llannarth | Cardiganshire | Dyfed | Dyfed FHS | |
| Llannarth | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llannefydd | Llanefyddd | Denbighshire | Conwy | Clwyd |
| Llannerchaeron | Cardiganshire | Dyfed | Dyfed FHS | |
| Llannerchaeron | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llannerch-y-medd | Anglesey | Gwynedd | Gwynedd FHS | |
| Llannon | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llannor | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llanover Lower | Monmouthshire | Gwent | Gwent FHS | |
| Llanover Upper | Monmouthshire | Gwent | Gwent FHS | |
| Llanpumsaint | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanreithan | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llanrhaeadr ym Mochnant | Denbighshire | Powys | Clwyd | |
| Llanrhaeadr yng Nghinmeirch | Denbighshire | Denbighshire | Clwyd | |
| Llanrhaiadr-Yn-Mochnant | Montgomeryshire | Powys | Powys FHS | |
| Llanrhaiadr-Yn-Mochnant | Montgomeryshire | Powys | Montgomeryshire GS | |
| Llanrhian | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llanrhidian | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Llan-Rhos | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llanrhwydrys | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanrhychwyn | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llanrhydd | Llanrhudd | Denbighshire | Denbighshire | Clwyd |
| Llanrhyddlad | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanrhystud | Cardiganshire | Dyfed | Dyfed FHS | |
| Llanrhystud | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llanrug | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llanrwst | Denbighshire | Conwy | Clwyd | |
| Llanrwst | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llansadwrn | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llansadwrn | Anglesey | Gwynedd | Gwynedd FHS | |
| Llansadwrnen | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llansaintffraed in Elvel | Llansanffraid-yn-Elfael | Radnorshire | Powys | Powys FHS |
| Llansaintffraid Glyn Dyfrdwy | Merioneth | Gwynedd | Gwynedd FHS | |
| Llansamlet | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Llansanffraid | Monmouthshire | Gwent | Gwent FHS | |
| Llansanffraid Glan Conwy | Denbighshire | Conwy | Clwyd | |
| Llansanffraid Glynceiriog | Denbighshire | Wrexham | Clwyd | |
| Llansanffraid Glyndyfrwdwy | Merionethshire | Denbighshire | Clwyd | |
| Llansannan | Denbighshire | Conwy | Clwyd | |
| Llansantffraed | Breconshire | Powys | Powys FHS | |
| Llansantffraid | Cardiganshire | Dyfed | Dyfed FHS | |
| Llansantffraid | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llansantffraid Cwmdeuddwr | Cwmdeuddwr | Radnorshire | Powys | Powys FHS |
| Llansantffraid-Yn-Mechan | Montgomeryshire | Powys | Powys FHS | |
| Llansantffraid-Yn-Mechan | Montgomeryshire | Powys | Montgomeryshire GS | |
| Llansawel | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llansilin | Denbighshire | Powys | Clwyd | |
| Llansoy | Monmouthshire | Gwent | Gwent FHS | |
| Llanspyddid | Breconshire | Powys | Powys FHS | |
| Llanstadwell | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llansteffan | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanstephen | Llansteffan | Radnorshire | Powys | Powys FHS |
| Llanstinan | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llantillio Crossenny | Monmouthshire | Gwent | Gwent FHS | |
| Llantillio Pertholey Citra | Monmouthshire | Gwent | Gwent FHS | |
| Llantillio Pertholey Ultra | Monmouthshire | Gwent | Gwent FHS | |
| Llantrisant | Anglesey | Gwynedd | Gwynedd FHS | |
| Llantrissent | Monmouthshire | Gwent | Gwent FHS | |
| Llantwit juxta Neath | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Llantwyd | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llantysilio | Llandysiliio | Denbighshire | Denbighshire | Clwyd |
| Llanuwchllyn | Merioneth | Gwynedd | Gwynedd FHS | |
| Llanvaches | Monmouthshire | Gwent | Gwent FHS | |
| Llanvapley | Monmouthshire | Gwent | Gwent FHS | |
| Llanvetherine | Monmouthshire | Gwent | Gwent FHS | |
| Llanwchaiarn | Montgomeryshire | Powys | Powys FHS | |
| Llanwchaiarn | Montgomeryshire | Powys | Montgomeryshire GS | |
| Llanwddyn | Montgomeryshire | Powys | Powys FHS | |
| Llanwddyn | Montgomeryshire | Powys | Montgomeryshire GS | |
| Llanwenarth Citra | Monmouthshire | Gwent | Gwent FHS | |
| Llanwenarth Ultra | Monmouthshire | Gwent | Gwent FHS | |
| Llanwenllwyfo | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanwenog | Cardiganshire | Dyfed | Dyfed FHS | |
| Llanwenog | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llanwern | Monmouthshire | Gwent | Gwent FHS | |
| Llanwinio | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanwnda | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llanwnda | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llanwnnen | Cardiganshire | Dyfed | Dyfed FHS | |
| Llanwnnen | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llanwrda | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanwrin | Montgomeryshire | Powys | Powys FHS | |
| Llanwrin | Montgomeryshire | Powys | Montgomeryshire GS | |
| Llanwrthwl | Breconshire | Powys | Powys FHS | |
| Llanwrytyd | Breconshire | Powys | Powys FHS | |
| Llanwyddelan | Montgomeryshire | Powys | Powys FHS | |
| Llanwyddelan | Montgomeryshire | Powys | Montgomeryshire GS | |
| Llan-y-bri | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanybydder | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanycefn | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llanychaer | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llanychaiarn | Cardiganshire | Dyfed | Dyfed FHS | |
| Llanychaiarn | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llanychan | Llanhychan | Denbighshire | Denbighshire | Clwyd |
| Llanychlwydog | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llanycil | Merioneth | Gwynedd | Gwynedd FHS | |
| Llanycrwys | Carmarthenshire | Dyfed | Dyfed FHS | |
| Llanymawddwy | Merioneth | Gwynedd | Gwynedd FHS | |
| Llanynghenedl | Anglesey | Gwynedd | Gwynedd FHS | |
| Llanynys | Breconshire | Powys | Powys FHS | |
| Llanynys | Denbighshire | Denbighshire | Clwyd | |
| Llanyre | Llanllyr -yn-Rhos | Radnorshire | Powys | Powys FHS |
| Llanystumdwy | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Llan-y-Wern | Breconshire | Powys | Powys FHS | |
| Llawhaden | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llay | Llai | Denbighshire | Wrexham | Clwyd |
| Llechgynfarwy | Anglesey | Gwynedd | Gwynedd FHS | |
| Llechryd | Cardiganshire | Dyfed | Dyfed FHS | |
| Llechryd | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llechylched | Anglesey | Gwynedd | Gwynedd FHS | |
| Lledrod | Cardiganshire | Dyfed | Dyfed FHS | |
| Lledrod | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Llowes | Radnorshire | Powys | Powys FHS | |
| Llys y Fran | Pembrokeshire | Dyfed | Dyfed FHS | |
| Llysfaen | Denbighshire | Conwy | Clwyd | |
| Llyswen | Breconshire | Powys | Powys FHS | |
| Llywel | Rhyd-y-Bryw | Breconshire | Powys | Powys FHS |
| Loughor | Llwchwr | Glamorgan | West Glamorgan | Glamorgan FHS |
| Loveston | Pembrokeshire | Dyfed | Dyfed FHS | |
| Ludchurch | Pembrokeshire | Dyfed | Dyfed FHS | |
| Machen Lower | Monmouthshire | Gwent | Gwent FHS | |
| Machen Upper | Monmouthshire | Gwent | Gwent FHS | |
| Machynlleth | Montgomeryshire | Powys | Powys FHS | |
| Machynlleth | Montgomeryshire | Powys | Montgomeryshire GS | |
| Maenclochog | Pembrokeshire | Dyfed | Dyfed FHS | |
| Maentwrog | Merioneth | Gwynedd | Gwynedd FHS | |
| Maesmynys | Breconshire | Powys | Powys FHS | |
| Magor | Monmouthshire | Gwent | Gwent FHS | |
| Mallwyd | Merioneth | Gwynedd | Gwynedd FHS | |
| Malpas | Monmouthshire | Gwent | Gwent FHS | |
| Mamhilad | Monmouthshire | Gwent | Gwent FHS | |
| Manafon | Montgomeryshire | Powys | Powys FHS | |
| Manafon | Montgomeryshire | Powys | Montgomeryshire GS | |
| Manorbier | Pembrokeshire | Dyfed | Dyfed FHS | |
| Manordeifi | Pembrokeshire | Dyfed | Dyfed FHS | |
| Manordeilo | Carmarthenshire | Dyfed | Dyfed FHS | |
| Manorowen | Pembrokeshire | Dyfed | Dyfed FHS | |
| Marchwiel | Marchwiail | Denbighshire | Wrexham | Clwyd |
| Margam | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Marloes | Pembrokeshire | Dyfed | Dyfed FHS | |
| Marros | Carmarthenshire | Dyfed | Dyfed FHS | |
| Marshfield | Monmouthshire | Gwent | Gwent FHS | |
| Martletwy | Pembrokeshire | Dyfed | Dyfed FHS | |
| Mathern | Monmouthshire | Gwent | Gwent FHS | |
| Mathry | Pembrokeshire | Dyfed | Dyfed FHS | |
| Meidrim | Carmarthenshire | Dyfed | Dyfed FHS | |
| Meifod | Montgomeryshire | Powys | Powys FHS | |
| Meifod | Montgomeryshire | Powys | Montgomeryshire GS | |
| Meliden | Allt Melyd | Flintshire | Denbighshire | Clwyd |
| Meline | Pembrokeshire | Dyfed | Dyfed FHS | |
| Merthyr | Carmarthenshire | Dyfed | Dyfed FHS | |
| Merthyr Cynog | Breconshire | Powys | Powys FHS | |
| Michaelchurch-on-Arrow | Llanfihangel Dyffryn arWy | Radnorshire | Powys | Powys FHS |
| Michaelstone super Avon | Cwmavon | Glamorgan | West Glamorgan | Glamorgan FHS |
| Michaelston-y-Fedw | Monmouthshire | Gwent | Gwent FHS | |
| Milford Haven | Pembrokeshire | Dyfed | Dyfed FHS | |
| Minera | Mwynglawdd | Denbighshire | Wrexham | Clwyd |
| Minwear | Pembrokeshire | Dyfed | Dyfed FHS | |
| Mitchel Troy | Monmouthshire | Gwent | Gwent FHS | |
| Mochdre | Montgomeryshire | Powys | Powys FHS | |
| Mochdre | Montgomeryshire | Powys | Montgomeryshire GS | |
| Mold | Yr Wyddgrug | Flintshire | Flintshire | Clwyd |
| Monington | Pembrokeshire | Dyfed | Dyfed FHS | |
| Monkswood | Monmouthshire | Gwent | Gwent FHS | |
| Monkton | Pembrokeshire | Dyfed | Dyfed FHS | |
| Monmouth | Monmouthshire | Gwent | Gwent FHS | |
| Montgomery | Montgomeryshire | Powys | Powys FHS | |
| Montgomery | Montgomeryshire | Powys | Montgomeryshire GS | |
| Morfil | Pembrokeshire | Dyfed | Dyfed FHS | |
| Morriston is in part of Clase , Llangyfelach | Glamorgan FHS | |||
| Mostyn | Flintshire | Flintshire | Clwyd | |
| Mounton | Monmouthshire | Gwent | Gwent FHS | |
| Moylgrove | Pembrokeshire | Dyfed | Dyfed FHS | |
| Mwnt | Cardiganshire | Dyfed | Dyfed FHS | |
| Mwnt | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Myddfai | Carmarthenshire | Dyfed | Dyfed FHS | |
| Myllteyrn | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Mynachlogddu | Pembrokeshire | Dyfed | Dyfed FHS | |
| Mynyddislwyn | Monmouthshire | Gwent | Gwent FHS | |
| Nannerch | Flintshire | Flintshire | Clwyd | |
| Nantcwnlle | Cardiganshire | Dyfed | Dyfed FHS | |
| Nantcwnlle | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Nantglyn | Denbighshire | Denbighshire | Clwyd | |
| Nantmel | Radnorshire | Powys | Powys FHS | |
| Narberth | Pembrokeshire | Dyfed | Dyfed FHS | |
| Nash | Monmouthshire | Gwent | Gwent FHS | |
| Nash with Upton | Pembrokeshire | Dyfed | Dyfed FHS | |
| Neath | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Nefyn | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Nercwys | Nerquis | Flintshire | Flintshire | Clwyd |
| Nevern | Pembrokeshire | Dyfed | Dyfed FHS | |
| New Moat | Pembrokeshire | Dyfed | Dyfed FHS | |
| New Radnor | Maesyfed | Radnorshire | Powys | Powys FHS |
| Newbridge-on-Wye | Pontnewydd-ar-Wy | Radnorshire | Powys | Powys FHS |
| Newcastle Emlyn | Carmarthenshire | Dyfed | Dyfed FHS | |
| Newchurch | Eglwys Newydd | Radnorshire | Powys | Powys FHS |
| Newchurch | Carmarthenshire | Dyfed | Dyfed FHS | |
| Newchurch East | Monmouthshire | Gwent | Gwent FHS | |
| Newchurch West | Monmouthshire | Gwent | Gwent FHS | |
| Newport | Pembrokeshire | Dyfed | Dyfed FHS | |
| Newton North | Pembrokeshire | Dyfed | Dyfed FHS | |
| Newtown | Montgomeryshire | Powys | Powys FHS | |
| Newtown | Montgomeryshire | Powys | Montgomeryshire GS | |
| Nicholaston | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Nolton | Pembrokeshire | Dyfed | Dyfed FHS | |
| Northop | Llaneurgain | Flintshire | Flintshire | Clwyd |
| Norton | Nortyn | Radnorshire | Powys | Powys FHS |
| Notes: Port Talbot derives from Aberavon, Baglan, Margam and Michaelstone Lower | Glamorgan FHS | |||
| Old Radnor | Pencraig | Radnorshire | Powys | Powys FHS |
| Oldcastle | Monmouthshire | Gwent | Gwent FHS | |
| Overton | Owrtyn | Flintshire | Wrexham | Clwyd |
| Oxwich | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Oystermouth | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Panteg | Monmouthshire | Gwent | Gwent FHS | |
| Partrishow | Patricio | Breconshire | Powys | Powys FHS |
| Pembrey | Carmarthenshire | Dyfed | Dyfed FHS | |
| Pembroke St. Mary | Pembrokeshire | Dyfed | Dyfed FHS | |
| Pembroke St. Michael | Pembrokeshire | Dyfed | Dyfed FHS | |
| Penallt | Monmouthshire | Gwent | Gwent FHS | |
| Penally | Pembrokeshire | Dyfed | Dyfed FHS | |
| Penboyr | Carmarthenshire | Dyfed | Dyfed FHS | |
| Penbryn | Cardiganshire | Dyfed | Dyfed FHS | |
| Penbryn | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Pencarreg | Carmarthenshire | Dyfed | Dyfed FHS | |
| Penderyn | Breconshire | Powys | Powys FHS | |
| Pendine | Carmarthenshire | Dyfed | Dyfed FHS | |
| Penegoes | Montgomeryshire | Powys | Powys FHS | |
| Penegoes | Montgomeryshire | Powys | Montgomeryshire GS | |
| Penhow | Monmouthshire | Gwent | Gwent FHS | |
| Penley | Llannerch Banna | Flintshire | Wrexham | Clwyd |
| Penllech | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Penmachno | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Penmaen | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Penmon | Anglesey | Gwynedd | Gwynedd FHS | |
| Penmorfa | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Penmynydd | Anglesey | Gwynedd | Gwynedd FHS | |
| Pennal | Merioneth | Gwynedd | Gwynedd FHS | |
| Pennant | Montgomeryshire | Powys | Powys FHS | |
| Pennant | Montgomeryshire | Powys | Montgomeryshire GS | |
| Pennard | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Penrhos | Monmouthshire | Gwent | Gwent FHS | |
| Penrhos | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Penrhosllugwy | Anglesey | Gwynedd | Gwynedd FHS | |
| Penrhydd | Pembrokeshire | Dyfed | Dyfed FHS | |
| Penrice | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Penstrowed | Montgomeryshire | Powys | Powys FHS | |
| Penstrowed | Montgomeryshire | Powys | Montgomeryshire GS | |
| Penterry | Monmouthshire | Gwent | Gwent FHS | |
| Pentraeth | Anglesey | Gwynedd | Gwynedd FHS | |
| Pentrefoelas | Denbighshire | Conwy | Clwyd | |
| Pentrobin | Penymynydd | Flintshire | Flintshire | Clwyd |
| Penycae | Denbighshire | Wrexham | Clwyd | |
| Penyclawdd | Monmouthshire | Gwent | Gwent FHS | |
| Peterstone Wentlloog | Monmouthshire | Gwent | Gwent FHS | |
| Pilleth | Pyllalai | Radnorshire | Powys | Powys FHS |
| Pistyll | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Pontardawe derives from parts of Llanguicke and Cilybebyll | Glamorgan FHS | |||
| Pontardulais derives from Llandeilo Talybont | Glamorgan FHS | |||
| Pontblyddyn | Flintshire | Flintshire | Clwyd | |
| Pontfadog | Glyntraean | Denbighshire | Wrexham | Clwyd |
| Pontfaen | Pembrokeshire | Dyfed | Dyfed FHS | |
| Pontyates | Carmarthenshire | Dyfed | Dyfed FHS | |
| Pontyberem | Carmarthenshire | Dyfed | Dyfed FHS | |
| Port Eynon | Porteynon | Glamorgan | West Glamorgan | Glamorgan FHS |
| Portskewett | Monmouthshire | Gwent | Gwent FHS | |
| Prendergast | Pembrokeshire | Dyfed | Dyfed FHS | |
| Prestatyn | Flintshire | Denbighshire | Clwyd | |
| Presteigne | Llanandras | Radnorshire | Powys | Powys FHS |
| Prion | Denbighshire | Denbighshire | Clwyd | |
| Puncheston | Pembrokeshire | Dyfed | Dyfed FHS | |
| Pwllcrochan | Pembrokeshire | Dyfed | Dyfed FHS | |
| Raglan | Monmouthshire | Gwent | Gwent FHS | |
| Redberth | Pembrokeshire | Dyfed | Dyfed FHS | |
| Redwick | Monmouthshire | Gwent | Gwent FHS | |
| Reynalton | Pembrokeshire | Dyfed | Dyfed FHS | |
| Reynoldston | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Rhayader | Rhaeadr Gwy | Radnorshire | Powys | Powys FHS |
| Rhes-y-Cae | Flintshire | Flintshire | Clwyd | |
| Rhigos | Glamorgan | Mid Glamorgan | Glamorgan FHS | |
| Rhiw | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Rhodogeidio | Anglesey | Gwynedd | Gwynedd FHS | |
| Rhosbeirio | Anglesey | Gwynedd | Gwynedd FHS | |
| Rhoscolyn | Anglesey | Gwynedd | Gwynedd FHS | |
| Rhoscrowther | Pembrokeshire | Dyfed | Dyfed FHS | |
| Rhosddu | Denbighshire | Wrexham | Clwyd | |
| Rhosesmor | Caerfallwch | Flintshire | Flintshire | Clwyd |
| Rhosllanerchrugog | Denbighshire | Wrexham | Clwyd | |
| Rhossili | Glamorgan | West Glamorgan | Glamorgan FHS | |
| Rhostie | Cardiganshire | Dyfed | Dyfed FHS | |
| Rhostie | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Rhosymedre | Denbighshire | Wrexham | Clwyd | |
| Rhuddlan | Flintshire | Denbighshire | Clwyd | |
| Rhulen | Rhiwlen | Radnorshire | Powys | Powys FHS |
| Rhydycroesau | Denbighshire | Shropshire | Clwyd | |
| Rhydymwyn | Flintshire | Flintshire | Clwyd | |
| Rhyl | Y Rhyl | Flintshire | Denbighshire | Clwyd |
| Risca | Monmouthshire | Gwent | Gwent FHS | |
| Robeston Wathen | Pembrokeshire | Dyfed | Dyfed FHS | |
| Robeston West | Pembrokeshire | Dyfed | Dyfed FHS | |
| Roch | Pembrokeshire | Dyfed | Dyfed FHS | |
| Rockfield | Monmouthshire | Gwent | Gwent FHS | |
| Rogerstone | Monmouthshire | Gwent | Gwent FHS | |
| Rogiet | Monmouthshire | Gwent | Gwent FHS | |
| Rosemarket | Pembrokeshire | Dyfed | Dyfed FHS | |
| Rossett | Yr Orsedd | Denbighshire | Wrexham | Clwyd |
| Ruabon | Rhiwabon | Denbighshire | Wrexham | Clwyd |
| Rudbaxton | Pembrokeshire | Dyfed | Dyfed FHS | |
| Rumney | Monmouthshire | Gwent | Gwent FHS | |
| Ruthin | Rhuthun | Denbighshire | Denbighshire | Clwyd |
| Sandycroft | Flintshire | Flintshire | Clwyd | |
| Sealand | Flintshire | Flintshire | Clwyd | |
| Shirenewton | Monmouthshire | Gwent | Gwent FHS | |
| Shotton | Flintshire | Flintshire | Clwyd | |
| Silian | Cardiganshire | Dyfed | Dyfed FHS | |
| Silian | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Skenfrith | Monmouthshire | Gwent | Gwent FHS | |
| Slebech | Pembrokeshire | Dyfed | Dyfed FHS | |
| Snead | Montgomeryshire | Powys | Powys FHS | |
| Snead | Montgomeryshire | Powys | Montgomeryshire GS | |
| Solva | Pembrokeshire | Dyfed | Dyfed FHS | |
| Southsea | Denbighshire | Wrexham | Clwyd | |
| Spittal | Pembrokeshire | Dyfed | Dyfed FHS | |
| St Arvans | Monmouthshire | Gwent | Gwent FHS | |
| St Asaph | Llanelwy | Flintshire | Denbighshire | Clwyd |
| St Brides Neterwent | Monmouthshire | Gwent | Gwent FHS | |
| St Brides Wentlloog | Monmouthshire | Gwent | Gwent FHS | |
| St George | Llan Sain Siôr | Denbighshire | Conwy | Clwyd |
| St Harmon | Saint Harmon | Radnorshire | Powys | Powys FHS |
| St John-juxta-Swansea | Glamorgan | West Glamorgan | Glamorgan FHS | |
| St Maunds | Monmouthshire | Gwent | Gwent FHS | |
| St Mellons | Monmouthshire | Gwent | Gwent FHS | |
| St Pierre & Runstone | Monmouthshire | Gwent | Gwent FHS | |
| St Woolos | Monmouthshire | Gwent | Gwent FHS | |
| St. Brides | Pembrokeshire | Dyfed | Dyfed FHS | |
| St. Clears | Carmarthenshire | Dyfed | Dyfed FHS | |
| St. David’s | Pembrokeshire | Dyfed | Dyfed FHS | |
| St. Dogmaels | Pembrokeshire | Dyfed | Dyfed FHS | |
| St. Dogwells | Pembrokeshire | Dyfed | Dyfed FHS | |
| St. Edrens | Pembrokeshire | Dyfed | Dyfed FHS | |
| St. Elvis | Pembrokeshire | Dyfed | Dyfed FHS | |
| St. Florence | Pembrokeshire | Dyfed | Dyfed FHS | |
| St. Ishmael | Carmarthenshire | Dyfed | Dyfed FHS | |
| St. Ishmael’s | Pembrokeshire | Dyfed | Dyfed FHS | |
| St. Issells | Pembrokeshire | Dyfed | Dyfed FHS | |
| St. Lawrence | Pembrokeshire | Dyfed | Dyfed FHS | |
| St. Nicholas | Pembrokeshire | Dyfed | Dyfed FHS | |
| St. Petrox | Pembrokeshire | Dyfed | Dyfed FHS | |
| St. Twynnells | Pembrokeshire | Dyfed | Dyfed FHS | |
| Stackpole Elidor | Pembrokeshire | Dyfed | Dyfed FHS | |
| Steynton | Pembrokeshire | Dyfed | Dyfed FHS | |
| Strata Florida | Cardiganshire | Dyfed | Dyfed FHS | |
| Strata Florida | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Swansea | Abertawe | Glamorgan | West Glamorgan | Glamorgan FHS |
| Talachddu | Breconshire | Powys | Powys FHS | |
| Talbenny | Pembrokeshire | Dyfed | Dyfed FHS | |
| Talgarth | Breconshire | Powys | Powys FHS | |
| Talley | Carmarthenshire | Dyfed | Dyfed FHS | |
| Talyllyn | Merioneth | Gwynedd | Gwynedd FHS | |
| Templeton | Pembrokeshire | Dyfed | Dyfed FHS | |
| Tenby | Pembrokeshire | Dyfed | Dyfed FHS | |
| Threapwood | Flintshire | Wrexham | Clwyd | |
| Tintern Parva | Monmouthshire | Gwent | Gwent FHS | |
| Towyn | Tywyn | Denbighshire | Conwy | Clwyd |
| Trallong | Breconshire | Powys | Powys FHS | |
| Trawsfynydd | Merioneth | Gwynedd | Gwynedd FHS | |
| Tredunnock | Monmouthshire | Gwent | Gwent FHS | |
| Trefdraeth | Anglesey | Gwynedd | Gwynedd FHS | |
| Trefeglwys | Montgomeryshire | Powys | Powys FHS | |
| Trefeglwys | Montgomeryshire | Powys | Montgomeryshire GS | |
| Trefgarn | Pembrokeshire | Dyfed | Dyfed FHS | |
| Trefilan | Cardiganshire | Dyfed | Dyfed FHS | |
| Trefilan | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Treflys | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Trefnant | Denbighshire | Denbighshire | Clwyd | |
| Trefriw | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Tregaean | Anglesey | Gwynedd | Gwynedd FHS | |
| Tregaer | Monmouthshire | Gwent | Gwent FHS | |
| Tregaron | Cardiganshire | Dyfed | Dyfed FHS | |
| Tregaron | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Tregynon | Montgomeryshire | Powys | Powys FHS | |
| Tregynon | Montgomeryshire | Powys | Montgomeryshire GS | |
| Trelawnyd | Newmarket | Flintshire | Flintshire | Clwyd |
| Trelech a’r Betws | Carmarthenshire | Dyfed | Dyfed FHS | |
| Trellech | Monmouthshire | Gwent | Gwent FHS | |
| Trellech Grange | Monmouthshire | Gwent | Gwent FHS | |
| Tremain | Cardiganshire | Dyfed | Dyfed FHS | |
| Tremain | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Tremeirchion | Flintshire | Denbighshire | Clwyd | |
| Tretower | Tretwr | Breconshire | Powys | Powys FHS |
| Treuddyn | Flintshire | Flintshire | Clwyd | |
| Trevethin | Monmouthshire | Gwent | Gwent FHS | |
| Trevor | Trefor | Denbighshire | Wrexham | Clwyd |
| Trewalchmai | Anglesey | Gwynedd | Gwynedd FHS | |
| Troed-yr-aur | Cardiganshire | Dyfed | Dyfed FHS | |
| Troed-yr-aur | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Trofarth | Denbighshire | Conwy | Clwyd | |
| Trostrey | Monmouthshire | Gwent | Gwent FHS | |
| Tudweiliog | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Tywyn | Merioneth | Gwynedd | Gwynedd FHS | |
| Undy | Monmouthshire | Gwent | Gwent FHS | |
| Upper Chapel | Dyffryn Honddu | Breconshire | Powys | Powys FHS |
| Usk | Monmouthshire | Gwent | Gwent FHS | |
| Uzmaston | Pembrokeshire | Dyfed | Dyfed FHS | |
| Vaynor | Y Faenor | Breconshire | Powys | Powys FHS |
| Walton East | Pembrokeshire | Dyfed | Dyfed FHS | |
| Walton West | Pembrokeshire | Dyfed | Dyfed FHS | |
| Walwyn’s Castle | Pembrokeshire | Dyfed | Dyfed FHS | |
| Warren | Pembrokeshire | Dyfed | Dyfed FHS | |
| Welshpool | Montgomeryshire | Powys | Powys FHS | |
| Welshpool | Montgomeryshire | Powys | Montgomeryshire GS | |
| Whitchurch | Pembrokeshire | Dyfed | Dyfed FHS | |
| Whitechurch | Pembrokeshire | Dyfed | Dyfed FHS | |
| Whitford | Chwitffordd | Flintshire | Flintshire | Clwyd |
| Whitland | Carmarthenshire | Dyfed | Dyfed FHS | |
| Whitson | Monmouthshire | Gwent | Gwent FHS | |
| Whitton | Llanddewi-yn-Hwytyn | Radnorshire | Powys | Powys FHS |
| Wilcrick | Monmouthshire | Gwent | Gwent FHS | |
| Wiston | Pembrokeshire | Dyfed | Dyfed FHS | |
| Wolvesnewton | Monmouthshire | Gwent | Gwent FHS | |
| Wonatow | Monmouthshire | Gwent | Gwent FHS | |
| Worthenbury | Flintshire | Wrexham | Clwyd | |
| Wrexham | Wrecsam | Denbighshire | Wrexham | Clwyd |
| Y Borth | Cardiganshire | Dyfed | Dyfed FHS | |
| Y Borth | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Y Ferwig | Cardiganshire | Dyfed | Dyfed FHS | |
| Y Ferwig | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Yerbeston | Pembrokeshire | Dyfed | Dyfed FHS | |
| Ynyscynhaearn | Caernarfonshire | Gwynedd | Gwynedd FHS | |
| Ysbyty Cynfyn | Cardiganshire | Dyfed | Dyfed FHS | |
| Ysbyty Cynfyn | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Ysbyty Ifan | Denbighshire | Conwy | Clwyd | |
| Ysbyty Ystwyth | Cardiganshire | Dyfed | Dyfed FHS | |
| Ysbyty Ystwyth | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Ysceifiog | Ysgeifiog | Flintshire | Flintshire | Clwyd |
| Ystrad Ffin | Carmarthenshire | Dyfed | Dyfed FHS | |
| Ystrad Meurig | Cardiganshire | Dyfed | Dyfed FHS | |
| Ystrad Meurig | Cardiganshire | Dyfed | Cardiganshire FHS | |
| Ystradfellte | Breconshire | Powys | Powys FHS | |
| Ystradfellte | Breconshire | Powys | Glamorgan FHS | |
| Ystradgynlais | Abercraf | Breconshire | Powys | Powys FHS |
| Ystradgynlais | Breconshire | Powys | Glamorgan FHS |