| # | Nombre | Orígen | Significado | Género | |
|---|---|---|---|---|---|
| 1 | Abboid | Gaelico | Monasterio del padre. | M | |
| 2 | Adair | Gaelico | From the oak tree ford. | M | |
| 3 | Adhamh | Gaelico | Gaelic form of Adam. | M | |
| 4 | Afkica | Gaelico | Pleasant. | F | |
| 5 | Africa | Gaelico | Pleasant. | F | |
| 6 | Aherin | Gaelico | Owns many horses. | M | |
| 7 | Ahern | Gaelico | Owns many horses. | M | |
| 8 | Aherne | Gaelico | Owns many horses. | M | |
| 9 | Aidan | Gaelico | Little fire, ardent. Aidan was popular in Ireland in the 7th century after the famous Irish monk Aidan, and was revived in the early 19th century. | M | |
| 10 | Aiden | Gaelico | Fiery. | M | |
| 11 | Aigneis | Gaelico | Gaelic forms of Agnes. | F | |
| 12 | Ailean | Gaelico | Handsome. | M | |
| 13 | Ailen | Gaelico | Handsome. | M | |
| 14 | Ailie | Gaelico | Diminutivo of Ailis: The Escocs Gaelic form of Alice. | F | |
| 15 | Ailin | Gaelico | Handsome. | M | |
| 16 | Ailis | Gaelico | The Escocs Gaelic form of Alice. | F | |
| 17 | Aimil | Gaelico | Gaelic form of Amelia. | F | |
| 18 | Aindreas | Gaelico | Manly. | M | |
| 19 | Aingealag | Gaelico | Angel. | F | |
| 20 | Airdsgainne | Gaelico | From the height del cliff. | M | |