| Name | Meaning | Details |
|---|---|---|
| Orion | Mountain Dweller | View Details |
| Ormand | Descendent Of The Red One | View Details |
| Ormanda | Descendent Of The Red One | View Details |
| Orna | Pine | View Details |
| Ornella | Flowering Ash Tree | View Details |
| Ornice | Combination Of Ornella And Janice | View Details |
| Orpheus | Unknown Meaning | View Details |
| Orwa | Trouble During Pregnancy | View Details |
| Osamu | Discipline | View Details |
| Osceola | Black Drink Bellower | View Details |
| Oscosh | The Bravest Of All | View Details |
| Osher | Happiness | View Details |
| Osiris | God Of The Dead | View Details |
| Ossie | Diminutive Form Of Names Beginning With Os | View Details |
| Othello | Of Unknown Meaning | View Details |