Search other names
| Name | Gender | Origin | Meaning |
|---|---|---|---|
| O'Shea | Both | Irish | |
| Oakes | Male | English | |
| Oakley | Male | English | |
| Oalo | Male | Spanish | |
| Obadiah | Male | Hebrew | |
| Obdulia | Female | Latin | |
| Obdulio | Male | Latin | |
| Obed | Male | English | |
| Obelia | Female | Greek | |
| Oberon | Male | German | |
| Obert | Male | German | |
| Oberto | Male | Germanic | |
| Ocean | Both | Greek | |
| Oceana | Female | Greek | |
| Oceane | Female | Greek | |
| Oceanus | Male | Greek | |
| Ocilia | Female | Greek | |
| Octavia | Female | Latin | |
| Octaviana | Female | Spanish | |
| Octavio | Male | Latin | |
| Octavious | Male | Latin | |
| Octavis | Male | Latin | |
| Odanda | Female | Spanish | |
| Odd | Male | Norwegian | |
| Odda | Female | Scandinavian |