The Most Popular Girl Baby Names From 2025 Starting On O.
Looking for a girl baby name starting on O? These were the 100 most popular names
from 2025 - sorted by popularity. Click on a name to learn more. The rank next to each name is the position on the overall top list for girls
this specific year.
| Rank | Name | How Unique? | Total births this year |
|---|---|---|---|
| 1 | Olivia | 1 in 96 (1.04%) | 13,544 |
| 153 | Oaklynn | 1 in 667 (0.15%) | 1,955 |
| 156 | Oakley | 1 in 678 (0.15%) | 1,922 |
| 197 | Olive | 1 in 823 (0.12%) | 1,584 |
| 263 | Ophelia | 1 in 1,121 (0.09%) | 1,163 |
| 308 | Octavia | 1 in 1,363 (0.07%) | 956 |
| 422 | Opal | 1 in 1,826 (0.05%) | 714 |
| 531 | Oaklee | 1 in 2,432 (0.04%) | 536 |
| 626 | Oaklyn | 1 in 3,031 (0.03%) | 430 |
| 680 | Oakleigh | 1 in 3,467 (0.03%) | 376 |
| 769 | Ocean | 1 in 4,218 (0.02%) | 309 |
| 935 | Odette | 1 in 5,667 (0.02%) | 230 |
| 1252 | Odessa | 1 in 10,183 (0.01%) | 128 |
| 1409 | Onyx | 1 in 12,655 (0.01%) | 103 |
| 1817 | Oriana | 1 in 21,024 (0%) | 62 |
| 1960 | Olympia | 1 in 25,558 (0%) | 51 |
| 2306 | Ofelia | 1 in 36,208 (0%) | 36 |
| 2400 | Ollie | 1 in 39,499 (0%) | 33 |
| 2836 | Ozzy | 1 in 59,249 (0%) | 22 |
| 3018 | Odalys | 1 in 68,604 (0%) | 19 |
| 3019 | Ohana | 1 in 68,604 (0%) | 19 |
| 3020 | Oumou | 1 in 68,604 (0%) | 19 |
| 3173 | Oona | 1 in 76,675 (0%) | 17 |
| 3174 | Orla | 1 in 76,675 (0%) | 17 |
| 3407 | Owen | 1 in 93,105 (0%) | 14 |
| 3510 | Odelia | 1 in 100,267 (0%) | 13 |
| 3756 | Orianna | 1 in 118,497 (0%) | 11 |
| 3899 | Oakland | 1 in 130,347 (0%) | 10 |
| 3998 | Orly | 1 in 144,830 (0%) | 9 |
| 4107 | Olani | 1 in 162,934 (0%) | 8 |
| 4262 | Oceana | 1 in 186,210 (0%) | 7 |
| 4263 | Olyvia | 1 in 186,210 (0%) | 7 |
| 4264 | Ori | 1 in 186,210 (0%) | 7 |
| 4265 | Orli | 1 in 186,210 (0%) | 7 |
| 4570 | Oaklie | 1 in 217,245 (0%) | 6 |
| 4571 | Olanna | 1 in 217,245 (0%) | 6 |
| 4572 | Olena | 1 in 217,245 (0%) | 6 |
| 5166 | Oasis | 1 in 260,694 (0%) | 5 |
| 5167 | Odyssey | 1 in 260,694 (0%) | 5 |
| 5168 | Olga | 1 in 260,694 (0%) | 5 |
| 5169 | Ormani | 1 in 260,694 (0%) | 5 |
| 5170 | Ottilie | 1 in 260,694 (0%) | 5 |
| 5171 | Ovi | 1 in 260,694 (0%) | 5 |
Source: U.S. Social Security Administration · Data through 2025 · Updated 2026
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