The Most Popular Boy Baby Names From 2001 Starting On O.
Looking for a boy baby name starting on O? These were the 100 most popular names
from 2001 - 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 boys
this specific year.
| Rank | Name | How Unique? | Total births this year |
|---|---|---|---|
| 124 | Oscar | 1 in 552 (0.18%) | 3,163 |
| 130 | Owen | 1 in 576 (0.17%) | 3,029 |
| 147 | Omar | 1 in 643 (0.16%) | 2,714 |
| 300 | Oliver | 1 in 1,834 (0.05%) | 951 |
| 362 | Orlando | 1 in 2,507 (0.04%) | 696 |
| 476 | Osvaldo | 1 in 3,834 (0.03%) | 455 |
| 546 | Orion | 1 in 5,027 (0.02%) | 347 |
| 765 | Octavio | 1 in 9,746 (0.01%) | 179 |
| 784 | Oswaldo | 1 in 10,384 (0.01%) | 168 |
| 883 | Omari | 1 in 13,117 (0.01%) | 133 |
| 1064 | Osbaldo | 1 in 19,384 (0.01%) | 90 |
| 1279 | Otis | 1 in 30,078 (0%) | 58 |
| 1341 | Obed | 1 in 33,549 (0%) | 52 |
| 1368 | Osiel | 1 in 34,891 (0%) | 50 |
| 1499 | Otto | 1 in 42,550 (0%) | 41 |
| 1567 | Osman | 1 in 47,150 (0%) | 37 |
| 1667 | Oziel | 1 in 54,517 (0%) | 32 |
| 1955 | Osmar | 1 in 79,297 (0%) | 22 |
| 1994 | Octavious | 1 in 83,073 (0%) | 21 |
| 1995 | Omer | 1 in 83,073 (0%) | 21 |
| 2038 | Oren | 1 in 87,227 (0%) | 20 |
| 2039 | Oskar | 1 in 87,227 (0%) | 20 |
| 2040 | Ozzy | 1 in 87,227 (0%) | 20 |
| 2130 | Oakley | 1 in 96,919 (0%) | 18 |
| 2291 | Octavius | 1 in 116,303 (0%) | 15 |
| 2292 | Oneil | 1 in 116,303 (0%) | 15 |
| 2433 | Osiris | 1 in 134,195 (0%) | 13 |
| 2600 | Olivier | 1 in 158,595 (0%) | 11 |
| 2601 | Oswald | 1 in 158,595 (0%) | 11 |
| 2602 | Oumar | 1 in 158,595 (0%) | 11 |
| 2803 | Omid | 1 in 193,838 (0%) | 9 |
| 3027 | Olegario | 1 in 249,220 (0%) | 7 |
| 3028 | Olin | 1 in 249,220 (0%) | 7 |
| 3029 | Ousmane | 1 in 249,220 (0%) | 7 |
| 3280 | Obadiah | 1 in 290,757 (0%) | 6 |
| 3281 | Obinna | 1 in 290,757 (0%) | 6 |
| 3282 | Ociel | 1 in 290,757 (0%) | 6 |
| 3283 | Odin | 1 in 290,757 (0%) | 6 |
| 3284 | Oluwatobi | 1 in 290,757 (0%) | 6 |
| 3285 | Ori | 1 in 290,757 (0%) | 6 |
| 3286 | Orin | 1 in 290,757 (0%) | 6 |
| 3287 | Oseas | 1 in 290,757 (0%) | 6 |
| 3288 | Ousman | 1 in 290,757 (0%) | 6 |
| 3289 | Ovidio | 1 in 290,757 (0%) | 6 |
| 3773 | Octaviano | 1 in 348,908 (0%) | 5 |
| 3774 | Oleg | 1 in 348,908 (0%) | 5 |
| 3775 | Omeed | 1 in 348,908 (0%) | 5 |
| 3776 | Osama | 1 in 348,908 (0%) | 5 |
| 3777 | Osmin | 1 in 348,908 (0%) | 5 |
| 3778 | Osualdo | 1 in 348,908 (0%) | 5 |
| 3779 | Oz | 1 in 348,908 (0%) | 5 |
Source: U.S. Social Security Administration · Data through 2025 · Updated 2026
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