| Name | Total | Name | Total | Name | Total | Name | Total | Name | Total |
|---|
| ATKINSON | 3 | APEL | 1 | ANNE | 10 | Ap Hywel | 1 | Arches | 1 |
| ADAMS | 113 | AMATO | 1 | ALTON | 2 | Ap Rhodri | 7 | Ap Gwaithfoed | 1 |
| ATCHLEY | 1 | Arther | 1 | ALDRIDGE | 1 | Ap Seisyllt | 1 | Ap Trahaern | 1 |
| Abraham | 15 | Airie | 1 | ASIA ILIUM | 1 | ANDERSDATTER | 6 | Archaic, De | 2 |
| ALLRED | 38 | Amria | 1 | Azariah | 1 | Aquitaine | 1 | Ap Bleiddig | 2 |
| ANGLE | 2 | Auhn | 1 | ANDREWS | 3 | Ap Cynan | 1 | Ap Gwynnan | 1 |
| ASHBAKER | 1 | Argyle | 1 | ANTONIUS | 1 | Ap Merfyn | 3 | Albon | 2 |
| ANDERSEN | 23 | Alderman | 1 | ATWATER | 1 | Ap Cadwallon | 2 | Ap Paen | 1 |
| ANDERSON | 35 | ADELMAN | 8 | AMY | 1 | Arbitot, D' | 2 | Ap Cadwgon | 1 |
| ALDRICH | 1 | ABBS | 1 | AINGE | 1 | Ap Cadfan | 2 | Ap Cuhelyn | 1 |
| ASHCROFT | 1 | ANDOE | 1 | ALCOCKE | 4 | Ap Gwriad | 1 | Ap Ithel | 1 |
| Archibald | 3 | ANGLIN | 7 | Alling | 4 | Ap Hymeid | 1 | Ap Ynyr | 1 |
| Allen | 51 | ANGER | 1 | Andrews (2) | 1 | Ap Llewelyn | 1 | Ap Tudur | 1 |
| ALDER | 1 | ATHINSON | 1 | ARDEN | 27 | Ap Dyfnwallon | 2 | Ap Idwallon | 1 |
| AUNE | 5 | ASTLEY | 6 | AYER (EYRE) | 1 | Ap Iago | 2 | Ap Edwin | 1 |
| Alfen, Van | 4 | ALLGER | 2 | ANTHONY | 1 | Ap Padarn | 1 | Ap Pill | 2 |
| Affleck | 1 | AUWEN | 5 | AYRES | 1 | Alfonsez | 7 | Ap Gronwy | 1 |
| Arpke | 1 | AMSBURY | 3 | AYERS | 1 | Ap Maredydd | 1 | AP Gruffydd | 1 |
| Atwood | 3 | ANBROSE | 1 | Ap Gwaethfoed | 1 | Ap Elidir | 1 | Ap Cadwaladr | 2 |
| ALVAREZ | 20 | AGNEW | 1 | Ap Neiniad | 1 | Ap Bleddyn | 1 | Aquillion | 1 |
| AGEE | 6 | ANGUS, De | 1 | ALLOY | 1 | Ap Lles | 1 | Ap Maelgwn | 1 |
| AUSTIN | 2 | AVITUS | 1 | AVERELL | 1 | Ap Blaidd | 2 | Abitot, D' | 1 |
| ALBRECHT | 1 | ALFSDATTER | 1 | Aunou, D' | 1 | Ap Caradog | 2 | Albetot, D' | 2 |
| ALLSOP | 1 | ANGANTYRSSON | 1 | ALLEY | 1 | Ap Dolffyn | 1 | ANTROBUS | 1 |
| ALSTOT | 2 | ANGANTYRSDATTER | 1 | ARMS | 1 | Ap Morien | 1 | Ap Cadell | 2 |
| ANDREASON | 5 | ARNGRIMSSON | 2 | ALLIS | 1 | Ap Morgeneu | 1 | Ap Tegid | 1 |
| ALEMAN | 1 | ATTIPSSON | 1 | ALLICKSANDER | 1 | Ap Cunnedda | 1 | Arbitot (Abbetot) Despencer, D' | 1 |
| ADAIR | 18 | ATTISSON | 1 | ABEL | 2 | Ap Cynfyn | 3 | Arbitot Le Despencer, D' | 1 |
| ALDANA | 1 | ALFARINSDATTER | 1 | ASHLEY | 1 | Ap Gwrydr | 1 | Ap Ifor | 1 |
| ASHER | 1 | ALGAUTSDOTTER | 1 | ALVORD | 1 | Ap Meurig | 2 | ALLEN (ALLIN) | 1 |
| ATKIN | 1 | ADILSSON | 2 | Ap Owain | 5 | Ap Gwerystan | 1 | ALLIN | 1 |
| ABBOTT | 1 | AUNSSON | 2 | Ap Brochwell | 1 | Ap Tudor | 1 | Ap Seferws | 1 |
| ALLOT | 1 | ALREKSSON | 4 | Ap Catwallon | 1 | Ap Iorwerth | 2 | Ap Elystan | 1 |
| ASTMAN | 1 | AGNASSON | 1 | Aragon | 2 | Anjou | 1 | Ap Rhun | 1 |
| ASBURY | 1 | ANJOU, D' | 1 | Ap Anarawd | 3 | Ardennes | 1 | Ap Beli | 1 |
| ASTON | 1 | Anjou, De | 1 | Ap Arthen | 2 | Ap Einion | 3 | Ap Gwyn | 1 |
| AHLSTROM | 12 | ARLES | 1 | Ap Idwal | 7 | ALBERTS | 1 | Aulney, De | 2 |
| ALLMER | 4 | AVRANCHES, D' | 2 | Autun | 2 | Abstartus | 1 | - | - |
| Allphin | 1 | Aerts (Arentse) | 1 | Ap Brochwel | 3 | Ap Seisyll | 1 | - | - |
| Angell | 2 | ARNOLD | 11 | Ap Edern | 1 | ANTERBUS | 6 | - | - |
| Alexander | 5 | Audley | 4 | Ap Ednywain | 1 | ALCOCK | 1 | - | - |
