| Baby Name | Meaning | Gender |
|---|
| Ogilvie | From The High Peak | Male |
| Olinda | Defender Of The Land | Female |
| Oliver | Legend Name | Male |
| Olivia | Olive Tree | Female |
| Omar | First Son; Long Life; Most High; The Prophet's Follower | Male |
| Ophelia | Serpentine | Female |
| Ord | Spear | Male |
| Oriana | Blond | Female |
| Orlando | Renowned In The Land. Form Of Roland. | Male |
| Orpheus | Myth Name (Son Of Apollo) | Male |
| Orrick | From The Ancient Oak Tree | Male |
| Osbert | Divinely Brilliant | Male |
| Oscar | Jumping Fighter | Male |
| Osric | Divine Ruler | Male |
| Oswald | Power Of God | Male |
| Ovid | Worker | Male |
| Owen | Young Fighter | Male |
| Pablo | Little. Form Of Paul. | Male |
| Page | Child | Female |
| Paige | Attendant | Female |
| Pamela | Made From Honey | Female |
| Pan | Myth Name (God Of Flocks) | Male |
| Paris | Myth Name (Son Of Priam) | Male |
| Patricia | Noble | Female |
| Paul | Small | Male |