| Name | Meaning | Gender | Origin |
|---|
| Adair | From the oak tree ford.
| Male | Scottish |
| Adam | earth, created by God | Male | Hebrew |
| Adrian | rich, wealthy, dark one | Male | Latin |
| Aidan | help, little fire | Male | Irish |
| Ainmire | Great lord
| Male | |
| Alan | handsome, cheerful, noble | Male | Irish |
| Albert | noble and bright | Male | English |
| Alexander | protector of mankind | Male | Greek |
| Angus | superb, unique | Male | Anglicized |
| Ardal | High Esteem | Unisex | Irish |
| Arlan | Oath
| Male | |
| Arlen | Oath
| Male | Irish |
| Art | noble one; bear man | Male | English |
| Arthur | Strong as a rock, noble, follower of Thor | Male | Celtic |
| Austin | From Augustine - Exalted one | Male | English |
| Bain | From Banbridge, Meaning Fair Bridge | Male | Irish |
| Bainbridge | Lives Near The Bridge Over The White Water | Male | English |
| Baird | minstrel | Male | Scottish |
| Barclay | birch meadow | Male | English |
| Barry | spear thrower, son of Harry, Marksman | Male | Irish |
| Becan | Small
| Male | Irish |
| Bedwyr | Arthurian legend name
| Male | |
| Berta | glorious, learning | Unisex | |
| Blaine | thin, lean, source of a river | Male | Irish |
| Blarney | | Unisex | Hebrew |