latin names.meanings and their origins
| N A M E | O R I G I N | M E A N I N G | M / F |
| Nova | Latin | new | Girl |
| Nuncio | Latin | Messenger | Boy |
| Nydia | Latin | refuge, nest | Girl |
| Octavia | Latin | eighth child | Girl |
| Octavio | Latin | The Eighth | Boy |
| Octavious | Latin | Eighth | Boy |
| Octavius | Latin | eighth child | Boy |
| Odina | Latin | Mountain | Girl |
| Olive | Old Norse, Latin, Old French | kind one; olive tree, peace | Girl |
| Oliver | Old Norse, Latin, Old French | kind one; olive tree, peace | Boy |
| Olivia | Latin | Peace - of the olive tree | Girl |
| Oona | Gaelic, Latin | unity | Girl |
| Oral | Latin | Speaker, Word | Boy |
| Oralia | Latin, Hebrew | golden; light | Girl |
| Oria | Latin | From the Orient | Girl |
| Oriana | Latin, Greek | dawn; east | Girl |
| Orianna | Latin | golden, dawning | Girl |
| Oriole | Latin | fair-haired | Girl |
| Orion | Latin, Greek | dawn, east; son of fire, the hunter | Boy |
| Orla | Latin | golden woman | Girl |
| Orlanda | Latin | bright sun | Girl |
| Orlando | Latin | bright sun | Boy |
| Orsen | Latin | From the name ORSON | Boy |
| Orsin | Latin | Bear | Boy |
| Orson | Old English, Latin | spearman's son; bear | Boy |
| Ortensia | Latin | gardener, farmer | Girl |
| Osma | Latin | God's Servant | Girl |
| Ossian | Latin | fawn | Boy |
| Ova | Latin | Egg | Girl |
| Ovid | Latin | lamb | Boy |
