| Name | Meaning | Details |
|---|---|---|
| Olive | Olive Or From The Olive Tree | View Details |
| Oluina | From The Family Of My Mother | View Details |
| Orah | From Ora. | 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 |
| Paley | From The Pale Field | View Details |
| Paris | From Paris | View Details |
| Paton | "From Paccas Town" | View Details |
| Paxton | "From Paccs Town" | View Details |
| Payton | "From Paccas Town" | View Details |
| Pelham | "From Peolas Village" | View Details |