| Name | Meaning | |
| Adkins, attkins, atkinson | Son of Aiken... | More... |
| Adney, addaneye, addney, | Lives on the noble's island... | More... |
| Aeldra | Lives at the elder tree... | More... |
| Aelfdane | Danish elf... | More... |
| Aelfdene | From the elfin valley... | More... |
| Aethelisdun, athelston, a | From the noble's hill... | More... |
| Aiken, adken, adkyn, aiki | Oaken... | More... |
| Ainsley, ainslie | From Ann's meadow... | More... |
| Ainsworth | From Ann's estate... | More... |
| Albern, aethelbeorn, albu | Noble warrior... | More... |
| Albert, alburt, aethelber | Noble, bright... | More... |
| Alcott | From the old cottage... | More... |
| Alden, aldwine, aldwyn, a | Wise friend... | More... |
| Alder, aler | From the alder tree... | More... |
| Aldo | Archaic... | More... |
| Aldous | "Old" or "From the old ho... | More... |
| Aldrich, aldric, aldrik | Wise ruler... | More... |
| Alford, alvord, avery | From the old ford... | More... |
| Alfred, alfredo, aelfraed | Sage... | More... |
| All | Handsome... | More... |
| Allard, alhhard, aethelha | Brave... | More... |
| Allred, aldred, aldrid | Wise, red-haired man... | More... |
| Almo, aethelmaer, athemar | Noble, famous... | More... |
| Alston, aethelstun | From the elf's home... | More... |
| Alton, alden, aldan, aldt | From the old manor... | More... |
| Amsden | From Ambrose's valley... | More... |
| Anglesey | From Anglesey... | More... |
| Ann, ain | Merciful... | More... |
| Anna | Name of a king... | More... |
| Anscom, aenescumb, anscom | Lives in the valley of the majestic one... | More... |
| Ansley, ainsley, aenedlea | From the awe-inspiring one's meadow... | More... |
| Archer, archere | Bowman... | More... |
| Ardell, ardel | From the hare's dell... | More... |
| Ardley, ardaleah, ardleig | From the home-lover's meadow... | More... |
| Ardolf, ardwolf, ardolph | Home-loving wolf... | More... |
| Aric, alhric, arik, alhri | Sacred ruler... | More... |
| Arkwright | Makes chests... | More... |
| Arledge | Lives at the hare's lake... | More... |
| Arley, arlie, arleigh | From the hare's meadow... | More... |
| Arlo | Fortified hill... | More... |
| Armstrong, armstrang | Strong-armed... | More... |
| Arnett, arnet, arnatt, ar | Little eagle... | More... |
| Arthgallo | Myth name... | More... |
| Arundel, arndell | From the eagle's dell... | More... |
| Ascot, ascott | Lives at the east cottage... | More... |
| Ashburn, aesoburne | Lives near the ash-tree brook... | More... |
| Ashby, aescby | From the ash-tree farm... | More... |
| Ashford, aisford, aescfor | Lives by the ash-tree ford... | More... |
| Ashley, ashly, aisley, ae | Lives in the ash-tree ford... | More... |
| Ashlin, aesclin | Lives at the ash-tree pool... | More... |
| Ashton, aiston, aesctun | From the ash-tree farm... | More... |
| Ashwin, aescwine, ashwyn, | Spear friend... | More... |
| Atherton, aethretun | Lives at the spring farm... | More... |
| Athmore, attmore, atmore | From the moor... | More... |
| Atwater, attewater | From the waterside... | More... |
| Atwell, attwell, attewell | Lives by the spring... | More... |
| Atwood, attewode | Lives in the forest... | More... |
| Atworth, atteworthe | Lives at the farmstead... | More... |
| Aurick | Noble valor... | More... |
| Averil, averill, averell | Wild boar... | More... |
| Avery, aelfric, aubrey | Elf ruler... | More... |
| Axton, aeccestane | Swordsman's stone... | More... |
| Aylmer, almer, aethelmaer | Infamous... | More... |
| Aylward, aegelweard, aeth | Noble protector... | More... |
| Bainbridge, banbrigge, ba | Lives near the bridge over the white wa... | More... |
| Balder, baldhere | Bold army... | More... |
| Banaing, banning | Son of the slayer... | More... |
| Bancroft, benecroft | From the bean field... | More... |
| Barclay, berkeley, berkle | Lives at the birch-tree meadow... | More... |
| Barden, bardan | Lives near the boar's den... | More... |
| Bardolf, bardawulf, bardo | Ax-wolf... | More... |
| Bardrick, bardaric, barda | Ax-ruler... | More... |
| Barlow, baerhloew, barhlo | Lives on the bare hill... | More... |
| Barnett, beornet | Leader... | More... |
| Barnum, beornham | From the nobleman's home... | More... |
| Baron, barron | Warrior... | More... |
| Barr, barre | Gateway... | More... |
| Barth | Son of the earth... | More... |
| Bartley, bartleah, bartle | From Bart's meadow... | More... |
| Barton, bart, beretun | From the barley farm... | More... |
