Irish baby girl names starting with O
Irish's most popular baby names of 2025 feature Oney as the top name for girls, while Oneil leads for boys. Other trending names in Irish include Onnie and Onna for girls, alongside Oissine and Odran for boys. Explore our complete list of Irish baby names for both genders below.
Irish baby names offer a rich blend of cultural heritage and modern appeal. Whether you're searching for popular girl names in Irish or exploring unique naming traditions, you'll find that each name carries its own story and meaning.
| No.# | Names | Meanings |
|---|---|---|
| 1. |
Oach
Girl 5074 |
Keen Ear Big Ear |
| 2. |
Odarnait
Girl 5733 |
Small; Pale One |
| 3. |
Odhamnait
Girl 4712 |
Swallow; Dun |
| 4. |
Oney
Girl 5016 |
Child Born On Holy Ground; Honored; Honorable |
| 5. |
Onna
Girl 4609 |
Lamb |
| 6. |
Onnie
Girl 5130 |
Lamb |
| 7. |
Onoria
Girl 5242 |
Honor |
| 8. |
Oonagh
Girl 4775 |
Lamb Can Also Be An IrishOne |
| 9. |
Orfhlaith
Girl 5182 |
Golden Princess |
| 10. |
Orflaith
Girl 5999 |
Golden Princess |
|
|
||
| 11. |
Orflath
Girl 4942 |
Gold Princess Lady |
| 12. |
Orlah
Girl 4436 |
Golden Princess |
| 13. |
Ornait
Girl 4646 |
Locks; Lady; Fair |
| 14. |
Ornora
Girl 3896 |
Honour |
| 15. |
Osmanna
Girl 3351 |
Name Of A Saint |
| 16. |
Osnait
Girl 4305 |
Deer |
| 17. |
Osnit
Girl 5474 |
Deer |
| 18. |
Ownah
Girl 4813 |
Una UNA |
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