| NAME | ORIGIN | MEANING | B/G |
| Abban | Irish | Abbot. | Boy |
| Abiageal | Irish | Irish form of Abigail. Brings joy. | Girl |
| Abracham | Irish | Irish form of Abraham. | Boy |
| Achaius | Irish | Horseman. | Boy |
| Adare | Irish | From the ford of the oak tree. | Boy |
| Addergoole | Irish | From between two fords. | Boy |
| Adeen | Irish | Little fire. | Girl |
| Aderrig | Irish | From the red ford. | Boy |
| Adhamhnan | Irish | Variant of Adamnan: Little Adam. | Boy |
| Aeary | Irish | Scholar. | Boy |
| Aedus | Irish | Fire. | Boy |
| Aghaderg | Irish | From the red ford. | Boy |
| Aghadreena | Irish | From the field of the sloe bushes. | Girl |
| Aghamora | Irish | From the great field. | Girl |
| Aghamore | Irish | From the great field. | Boy |
| Aghaveagh | Irish | From the field of the old tree. | Girl |
| Aghavilla | Irish | From the field of the old tree. | Girl |
| Aghna | Irish | Irish form of Agnes. | Girl |
| Aghy | Irish | Friend of horses. | Boy |
| Aguistin | Irish | Majestic. | Boy |
| Ahana | Irish | From the little ford. | Girl |
| Ahane | Irish | From the little ford. | Boy |
| Aidrian | Irish | From the Adriatic. | Boy |
| Aifric | Irish | Pleasant. | Girl |
| Ailbhe | Irish | Bright. | Boy |
| Aileene | Irish | Variant of Evelyn. | Girl |
| Ailey | Irish | Light. | Girl |
| Ailfrid | Irish | Wise. | Boy |
| Ailia | Irish | Light. | Girl |
| Ailisa | Irish | Noble. | Girl |
