| Name | Meaning | Details |
|---|---|---|
| Orah | From Ora. | View Details |
| Oringo | He Who Likes The Hunt | View Details |
| Orlando | From Glorious Land | View Details |
| Orozco | From Orozco | View Details |
| Ortega | From Ortega | View Details |
| Overton | From The Riverbank Town | View Details |
| Oxford | From The Oak Valley | View Details |
| Pacey | From Pacy In France | View Details |
| Pachacutec | One Who Changes The World | View Details |
| Pahuac | One Who Flies | View Details |
| Painter | One Who Paints | View Details |
| Paley | From The Pale Field | View Details |
| Paris | From Paris | View Details |
| Paton | "From Paccas Town" | View Details |
| Paxton | "From Paccs Town" | View Details |