All 125 boys' names beginning with O that have a popularity page, ranked by all-time births (1880–2024). Looking for Girls names starting with O?
| # | Name | Total babies | 2024 rank |
|---|---|---|---|
| 1 | Oliver | 254,854 | #3 |
| 2 | Owen | 238,411 | #26 |
| 3 | Oscar | 211,463 | #217 |
| 4 | Omar | 105,100 | #260 |
| 5 | Otis | 60,653 | #730 |
| 6 | Orlando | 49,177 | #844 |
| 7 | Otto | 38,669 | #274 |
| 8 | Orville | 35,051 | #7,117 |
| 9 | Orion | 22,098 | #325 |
| 10 | Odell | 14,860 | #4,651 |
| 11 | Osvaldo | 14,394 | #1,314 |
| 12 | Omari | 12,756 | #617 |
| 13 | Odin | 12,669 | #479 |
| 14 | Octavio | 11,294 | #1,366 |
| 15 | Olin | 9,842 | #2,143 |
| 16 | Oren | 9,326 | #1,380 |
| 17 | Omer | 8,784 | #2,105 |
| 18 | Odis | 8,214 | #6,364 |
| 19 | Orval | 7,915 | – |
| 20 | Olen | 7,632 | #2,895 |
| 21 | Otha | 6,386 | – |
| 22 | Orin | 6,198 | #2,246 |
| 23 | Onyx | 5,954 | #358 |
| 24 | Orrin | 5,922 | #2,691 |
| 25 | Oswaldo | 5,861 | #2,930 |
| 26 | Ottis | 4,458 | #6,369 |
| 27 | Oran | 4,428 | #4,982 |
| 28 | Oswald | 4,339 | #2,121 |
| 29 | Obie | 4,155 | #5,373 |
| 30 | Obed | 4,063 | #1,945 |
| 31 | Ocean | 4,030 | #591 |
| 32 | Omarion | 3,954 | #2,613 |
| 33 | Osman | 3,711 | #1,031 |
| 34 | Ozzy | 3,628 | #602 |
| 35 | Octavius | 3,614 | #2,020 |
| 36 | Osiris | 3,391 | #976 |
| 37 | Otho | 3,328 | – |
| 38 | Oskar | 3,148 | #1,721 |
| 39 | Ozzie | 3,088 | #1,413 |
| 40 | Osbaldo | 3,078 | #7,119 |
| 41 | Oneal | 3,043 | #6,701 |
| 42 | Osiel | 2,872 | #1,220 |
| 43 | Oral | 2,802 | – |
| 44 | Olan | 2,718 | #4,652 |
| 45 | Odie | 2,606 | #9,595 |
| 46 | Orson | 2,586 | #1,500 |
| 47 | Olaf | 2,525 | #13,645 |
| 48 | Oziel | 2,488 | #1,064 |
| 49 | Obadiah | 2,416 | #1,412 |
| 50 | Om | 2,255 | #2,161 |
| 51 | Osmar | 2,244 | #2,354 |
| 52 | Ole | 2,101 | #5,178 |
| 53 | Orland | 2,081 | – |
| 54 | Olivier | 1,936 | #2,690 |
| 55 | Orvil | 1,935 | – |
| 56 | Oneil | 1,749 | #9,604 |
| 57 | Osborne | 1,731 | #6,367 |
| 58 | Ozell | 1,720 | – |
| 59 | Orie | 1,715 | #13,664 |
| 60 | Ozias | 1,682 | #861 |
| 61 | Oris | 1,661 | #11,918 |
| 62 | Orlin | 1,660 | #4,277 |
| 63 | Octavious | 1,651 | #7,112 |
| 64 | Ori | 1,540 | #1,564 |
| 65 | Oden | 1,499 | #2,221 |
| 66 | Okey | 1,462 | – |
| 67 | Octavian | 1,428 | #2,270 |
| 68 | Oakland | 1,247 | #1,296 |
| 69 | Oshea | 1,173 | #2,728 |
| 70 | Orvel | 1,157 | – |
| 71 | Orvin | 1,140 | #13,666 |
| 72 | Oryan | 1,093 | #3,855 |
| 73 | Otoniel | 1,060 | #7,120 |
| 74 | Ovidio | 1,058 | #3,133 |
| 75 | Osama | 961 | #7,118 |
| 76 | Orlan | 953 | #10,602 |
| 77 | Orvis | 940 | – |
| 78 | Orris | 939 | – |
| 79 | Orlo | 920 | – |
| 80 | Orren | 918 | #8,765 |
| 81 | Orman | 886 | – |
| 82 | Ontario | 877 | #10,601 |
| 83 | Omri | 863 | #3,132 |
| 84 | Obinna | 858 | #8,757 |
| 85 | Ogden | 801 | #8,759 |
| 86 | Omid | 780 | #8,764 |
| 87 | Owyn | 759 | #4,278 |
| 88 | Ovid | 741 | – |
| 89 | Owens | 733 | #8,769 |
| 90 | Othel | 732 | – |
| 91 | Oumar | 722 | #3,657 |
| 92 | Orian | 710 | #4,983 |
| 93 | Octaviano | 689 | – |
| 94 | Ousmane | 681 | #3,074 |
| 95 | Othello | 679 | #5,813 |
| 96 | Opie | 678 | #3,191 |
| 97 | Orrie | 675 | – |
| 98 | Othniel | 668 | #3,746 |
| 99 | Oaklen | 662 | #1,699 |
| 100 | Oz | 643 | #3,075 |
| 101 | Olajuwon | 633 | #9,596 |
| 102 | Olando | 621 | – |
| 103 | Obert | 619 | – |
| 104 | Orbie | 609 | – |
| 105 | Ojas | 600 | #3,026 |
| 106 | Orange | 598 | – |
| 107 | Osborn | 597 | #10,604 |
| 108 | Odus | 596 | – |
| 109 | Onesimo | 594 | – |
| 110 | Oak | 588 | #2,429 |
| 111 | Olie | 577 | – |
| 112 | Orel | 556 | #13,663 |
| 113 | Oluwatobi | 555 | #11,913 |
| 114 | Overton | 544 | – |
| 115 | Orlanda | 538 | – |
| 116 | Osmin | 537 | #6,081 |
| 117 | Orien | 536 | #11,917 |
| 118 | Oziah | 522 | #1,923 |
| 119 | Olden | 514 | – |
| 120 | Ormond | 513 | – |
| 121 | Othman | 503 | #4,031 |
| 122 | Oslo | 502 | #1,922 |
| 123 | Oval | 500 | – |
| 124 | Ovie | 480 | #8,768 |
| 125 | Oddie | 343 | – |