All 15 boys' names beginning with O that have a popularity page, ranked by all-time births (1991–2024). Looking for Girls names starting with O?
| # | Name | Total babies | 2024 rank |
|---|---|---|---|
| 1 | Owen | 29,294 | #22 |
| 2 | Olivier | 22,881 | #148 |
| 3 | Oliver | 20,926 | #6 |
| 4 | Omar | 6,314 | #125 |
| 5 | Oscar | 4,862 | #153 |
| 6 | Odin | 1,831 | #405 |
| 7 | Oakley | 1,298 | #295 |
| 8 | Orion | 1,173 | #370 |
| 9 | Otis | 663 | #562 |
| 10 | Otto | 622 | #373 |
| 11 | Oskar | 607 | #910 |
| 12 | Osman | 601 | #591 |
| 13 | Omer | 556 | #1,438 |
| 14 | Orlando | 508 | #3,126 |
| 15 | Ollie | 342 | #661 |