| Odell | 995 1572 2567 |
| Olivia | 309 1236 1545 |
| Octavia | 519 638 1157 |
| Ollie | 612 534 1146 |
| Olga | 409 251 660 |
| Ola | 398 198 596 |
| Olive | 245 298 543 |
| Ophelia | 173 354 527 |
| Odessa | 330 99 429 |
| Opal | 214 194 408 |
| Orchid | 3 10 13 |
| Octa | 6 5 11 |
| Odyssey | 2 9 11 |
| Oceana | 7 4 11 |
| Onyinyechi | 1 10 11 |
| Omari | 1 9 10 |
| Obie | 5 5 10 |
| Omni | 4 5 9 |
| Oaklynn | 7 2 9 |
| Ova | 3 6 9 |
| Onika | 1 4 5 |
| Otha | 2 3 5 |
| Odelia | 1 4 5 |
| Olena | 2 3 5 |
| Odaliz | 3 1 4 |
| Osa | 2 2 4 |
| Omie | 2 2 4 |
| Orelia | 1 3 4 |
| Olimpia | 2 2 4 |
| Ottie | 0 4 4 |
| Oris | 2 0 2 |
| Orli | 0 2 2 |
| Olean | 0 2 2 |
| Ozella | 0 2 2 |
| Oanh | 1 1 2 |
| Olar | 0 2 2 |
| Ourania | 0 2 2 |
| Omah | 0 2 2 |
| Olevia | 0 2 2 |
| Oline | 2 0 2 |
| Orit | 0 1 1 |
| Omayra | 0 1 1 |
| Oralee | 0 1 1 |
| Orpha | 0 0 0 |
| Oneisha | 0 0 0 |
| Oluwatoyin | 0 0 0 |
| Orpah | 0 0 0 |
| Oneida | 0 0 0 |
| Orlena | 1 -1 0 |
| Oleta | 0 0 0 |