Name Explorer — Baby Names
Girl Names Starting with O
Looking for the perfect name? Browse girl names from real South African records, see how popular each one is, and how many people of every age share it.
Girl Names Starting with O — page 1 of 67
3,306 girl names
Sort: A–Z Most popular| Name | Girls | Surnames |
|---|---|---|
| O-Molemo Unisex | 3 | 5 |
| O'arabile Unisex | 5 | 6 |
| O'brey Unisex | 1 | 7 |
| O'callaghan Unisex | 7 | 17 |
| O'carroll Unisex | 1 | 3 |
| O'connell Unisex | 12 | 29 |
| O'connor Unisex | 13 | 63 |
| O'deal | 21 | 18 |
| O'dean Unisex | 5 | 9 |
| O'delia | 20 | 19 |
| O'dell Unisex | 3 | 6 |
| O'dette | 8 | 8 |
| O'dille | 6 | 6 |
| O'donoghue Unisex | 2 | 7 |
| O'fentse Unisex | 4 | 6 |
| O'flynn Unisex | 5 | 8 |
| O'grady Unisex | 6 | 13 |
| O'hagan Unisex | 1 | 7 |
| O'halloran Unisex | 1 | 3 |
| O'hara Unisex | 20 | 29 |
| O'kelly Unisex | 2 | 7 |
| O'kennedy Unisex | 12 | 28 |
| O'leary Unisex | 4 | 8 |
| O'lerato Unisex | 5 | 8 |
| O'malley Unisex | 1 | 4 |
| O'mara Unisex | 14 | 17 |
| O'neale Unisex | 3 | 13 |
| O'neall Unisex | 1 | 6 |
| O'neill Unisex | 27 | 160 |
| O'nell Unisex | 1 | 5 |
| O'ratile Unisex | 4 | 8 |
| O'refile Unisex | 3 | 5 |
| O'reilly Unisex | 6 | 38 |
| O'rourke Unisex | 2 | 5 |
| O'shay Unisex | 2 | 5 |
| O'shea Unisex | 6 | 30 |
| O'sullivan Unisex | 2 | 9 |
| Oa Unisex | 1 | 8 |
| Oababile Unisex | 2 | 6 |
| Oabeleng Unisex | 1 | 6 |
| Oabetswe Unisex | 10 | 31 |
| Oabile Unisex | 72 | 320 |
| Oabilwe Unisex | 6 | 28 |
| Oabitsa Unisex | 3 | 5 |
| Oabona Unisex | 28 | 64 |
| Oabotlhe Unisex | 3 | 7 |
| Oagalalela Unisex | 6 | 7 |
| Oagamang Unisex | 12 | 27 |
| Oagang Unisex | 1 | 8 |
| Oagile Unisex | 94 | 570 |
Our Baby Name Generator is based on our South African records, counting every first name a person has. Only real verified South African names are used with this tool. Due to privacy restrictions, records after 2010 are not included. * Updated 21 October 2026.