| Baby Name | Meaning | Gender |
|---|
| Nyx | Night | Female |
| Odile | Elfin Spear | Female |
| Odo | Name Of A Bishop | Male |
| Ophelia | Serpentine | Female |
| Orenda | Iroquois Name Meaning "Magic Power." | Female |
| Orion | Son Of Fire | Male |
| Orpheus | Myth Name (Son Of Apollo) | Male |
| Osbert | Divinely Brilliant | Male |
| Osiris | Myth Name (God Of The Dead) | Male |
| Paine | Pagan | Male |
| Pandora | Myth Name (Released Misery And Hope Into The World) | Female |
| Parnel | Nineteenth-Century Irish Nationalist Charles Parnell. | Male |
| Parrish | Lives Near The Church | Male |
| Payne | Pagan | Male |
| Peregrine | The Peregrine Falcon Is The Bird Most Favored In The Ancient Sport Of Falconry. | Male |
| Persephone | Myth Name (Wife Of Hades) | Female |
| Peter | Rock | Male |
| Petra | Rock | Female |
| Petronilla | Rock | Female |
| Phaedra | Myth Name (Daughter Of Minos) | Female |
| Phelan | Wolf | Male |
| Philip | Loves Horses | Male |
| Philippa | Lover Of Horses. Variant Of Masculine Philipp. | Female |
| Philomena | Greatly Loved | Female |
| Phoenix | "Mystical Bird, Purple" | Male |