| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 1 | Afkica | Gaelic | Pleasant. | F | |
| 2 | Africa | Gaelic | Pleasant. | F | |
| 3 | Aigneis | Gaelic | Gaelic forms of Agnes. | F | |
| 4 | Ailie | Gaelic | Diminutive of Ailis: The Scottish Gaelic form of Alice. | F | |
| 5 | Ailis | Gaelic | The Scottish Gaelic form of Alice. | F | |
| 6 | Aimil | Gaelic | Gaelic form of Amelia. | F | |
| 7 | Aingealag | Gaelic | Angel. | F | |
| 8 | Airleas | Gaelic | Oath. | F | |
| 9 | Alain | Gaelic | Bright. | F | |
| 10 | Alana | Gaelic | This name of uncertain origin may be a feminine form of Man, or derived from the Irish Gaelic word for 'child'. | F | |
| 11 | Alanna | Gaelic | This name of uncertain origin may be a feminine form of Man, or derived from the Irish Gaelic word for 'child'. | F | |
| 12 | Alayne | Gaelic | Bright. | F | |
| 13 | Alina | Gaelic | Bright. | F | |
| 14 | Allene | Gaelic | Bright. | F | |
| 15 | Allyn | Gaelic | Bright. | F | |
| 16 | Amber | Gaelic | Fierce. | F | |
| 17 | Amhuinn | Gaelic | Lives at the alder tree river. | F | |
| 18 | Anabal | Gaelic | Joy. | F | |
| 19 | Annabel | Gaelic | Joy. | F | |
| 20 | Annabella | Gaelic | Joy. | F | |