| Name | Meaning | Gender | Origin |
|---|
| Ahearn | Descendant of Eachthighearna | Male | Gaelic |
| Aidan | Little fire | Male | Gaelic |
| Alban | From the city Alba | Male | Latin |
| Alley | A narrow street or passageway | Unisex | English |
| Aloysius | Fame and war | Male | Germanic |
| Amos | Encumbered | Male | Hebrew |
| Andy | Man, warrior | Male | Greek |
| Angel | Messenger | Unisex | Greek |
| Angus | One choice | Male | Gaelic |
| Aramis | One of the three muskateers | Unisex | Literary |
| Archie | Valuable: Bold. | Male | English |
| Argos | Bright | Unisex | Greek |
| Arlen | Land with hares | Male | English |
| Art | Possibly bear or stone | Male | Gaelic |
| Ashes | | Unisex | Hebrew |
| Ashling | Dream | Unisex | Gaelic |
| Avi | My father | Unisex | Hebrew |
| Baby | Baby | Unisex | American English |
| Badger | Burrowing mammal with white stripe on forehead. Also verb to pester or harass. | Unisex | English |
| Bailey | Bailiff | Male | English |
| Baird | Poet | Male | Gaelic |
| Bambina | Little girl | Unisex | Italian |
| Bandit | An outlaw or robber | Unisex | English |
| Barney | Son of consolation | Male | Hebrew |
| Barry | Spear | Male | Gaelic |
| Bart | Son of Talmai | Male | Greek |
| Bates | A boatman | Male | English |
| Baxter | Baker | Male | English |
| Bb | | Unisex | Hebrew |
| Bear | Large mammal with large head, bulky body and coarse thick fur | Unisex | English |