| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 1 | Abiageal | Irish | Irish form of Abigail. Brings joy. | F | |
| 2 | Adan | Irish | Little fire. | F | |
| 3 | Adara | Irish | From the ford at the oak tree. | F | |
| 4 | Adeen | Irish | Little fire. | F | |
| 5 | Afric | Irish | Pleasant. | F | |
| 6 | Africa | Irish | Pleasant. | F | |
| 7 | Agata | Irish | Kind. | F | |
| 8 | Agate | Irish | Kind. | F | |
| 9 | Aghadreena | Irish | From the field of the sloe bushes. | F | |
| 10 | Aghamora | Irish | From the great field. | F | |
| 11 | Aghaveagh | Irish | From the field of the old tree. | F | |
| 12 | Aghavilla | Irish | From the field of the old tree. | F | |
| 13 | Aghna | Irish | Irish form of Agnes. | F | |
| 14 | Ahana | Irish | From the little ford. | F | |
| 15 | Aidan | Irish | Little fire. | F | |
| 16 | Aideen | Irish | Little fire. | F | |
| 17 | Aifric | Irish | Pleasant. | F | |
| 18 | Aigneis | Irish | Pure. | F | |
| 19 | Aileen | Irish | Variant of Eileen: Light. From the name Eibhlin, derived from Evelyn or Evelina. Light. | F | |
| 20 | Aileene | Irish | Variant of Evelyn. | F | |