- Austin (continued)
- Avery
- Avis
- Awcock
- Axbey
- Axford
- Axtell
- Ayers
- Ayland
- Ayling
- Aylward
- Ayre
- Ayres
- Ayton
- Martha (between 1834 and 1835 - 1925)
- Baalham
- Babcock
- Babidge
- Babington
- Bacchus
- Baccleuch
- Back
- Backhouse
- Backshell
- Ann (before 1600 - )
- John (before 1566 - )
- John (before 1586 - 1635/36)
- John (circa 1621 - after 1655)
- Bacon
- Badcock
- Badger
- Badgett
- Badham
- Badman
- Bagg