| Name | Meaning | Details |
|---|---|---|
| Oisin | Little Deer | View Details |
| Ondelette | Little Wave | View Details |
| Ondrea | Manly | View Details |
| Oorjita | Powerful Woman | View Details |
| Ordell | Little Knife | View Details |
| Outacite | Man Killer | View Details |
| Ozanka | Wall Germander Flower | View Details |
| Pacorro | Free Man | View Details |
| Padraic | Nobleman | View Details |
| Paget | Little Page | View Details |
| Pahkakino | Good Man | View Details |
| Palani | Free Man | View Details |
| Patrick | Nobleman | View Details |
| Patwin | Legendary Man | View Details |
| Pauric | Nobleman | View Details |