| Gender | Baby Name | Meaning | Save To List |
|---|---|---|---|
 | Oliva | Olive |  |
| Olivia | Olive tree | |
 | Orrick | Sword ruler | |
| Orson | Bear cub | |
| Osbert | Divine bright | |
| Owen | Well born | |
| Pacey | From Pacy in France | |
| Paige | Assistant | |
| Palmer | Holy land pilgrim | |
| Pamela | All honey | |
| Parker | Park keeper | |
| Parkin | Rock | |
| Parrish | Noble from Paris | |
| Parry | Son of Harry | |
| Pascal | Child of Easter | |
| Patricia | Noble | |
| Patrick | Noble | |
| Patsy | Noble | |
| Patty | Noble | |
| Peg | Pearl | |
| Peggy | Pearl | |
| Penney | Duck | |
| Petronella | Rock | |
| Phyllida | Green leaves | |
| Pierce | Rock | |
| Pippa | Lover of horses | |
| Polly | Great sorrow | |
| Porter | Doorkeeper | |
| Potter | Pot maker | |
| Queenie | Queen | |
