Baby Names US
214 names

Boy names starting with O

Every recorded boy O name with its key numbers. Click a column header to sort; click a name for its full history.

Births and rank are for 2025, the latest SSA release. Counts, ranks, and totals are for boys only. Median age estimates how old living people with the name are today, from cohort survival rates; it needs at least 100 estimated living bearers. Sorted by all-time births by default. Unisex names appear under both girls and boys.

Name Gender Births 2025 Rank 2025 All-time Peak year Median age
Oliver Boy 14,939 #3 269,903 2024 7
Owen Boy 7,190 #31 245,644 2016 12
Oscar Boy 1,620 #223 213,098 2006 27
Omar Boy 1,333 #260 106,438 2007 24
Otis Boy 422 #652 61,082 1920 58
Orlando Boy 275 #873 49,454 1987 36
Otto Boy 1,241 #277 39,915 2024 9
Orville Boy 14 #6,347 35,065 1920 72
Orion Boy 1,012 #334 23,120 2018 10
Ollie Unisex 207 #1,058 17,626 1919 53
Odell Unisex 23 #4,495 14,883 1922 65
Osvaldo Boy 130 #1,408 14,526 2004 23
Odin Boy 604 #502 13,282 2022 7
Omari Boy 397 #687 13,158 2018 12
Octavio Boy 154 #1,278 11,449 2003 25
Oakley Unisex 688 #454 11,385 2024 6
Olin Boy 86 #1,849 9,929 1921 38
Oren Boy 174 #1,184 9,502 2025 25
Omer Boy 70 #2,103 8,856 1918 26
Odis Boy 15 #6,065 8,229 1927 66
Orval Boy – – 7,916 1918 75
Olen Boy 33 #3,489 7,665 1922 58
Onyx Unisex 881 #365 6,849 2023 3
Otha Unisex – – 6,386 1921 68
Orin Boy 85 #1,859 6,283 1920 29
Orrin Boy 62 #2,278 5,985 1915 33
Oswaldo Boy 41 #3,027 5,902 2006 22
Ora Unisex – – 5,616 1919 70
Ottis Boy 15 #6,070 4,473 1922 66
Oran Boy 19 #5,153 4,447 1922 50
Ocean Unisex 375 #720 4,411 2022 5
Oswald Boy 67 #2,161 4,407 1916 35
Ozzy Unisex 548 #549 4,180 2025 4
Obie Unisex 10 #8,065 4,165 1924 58
Obed Boy 72 #2,072 4,135 2005 20
Omarion Boy 52 #2,560 4,007 2005 20
Osman Boy 181 #1,157 3,893 2022 12
Octavius Boy 72 #2,073 3,687 1991 29
Osiris Unisex 200 #1,077 3,592 2023 8
Otho Boy – – 3,328 1915 72
Oskar Boy 93 #1,750 3,241 2016 12
Ozzie Unisex 123 #1,455 3,214 2022 16
Osbaldo Boy 14 #6,348 3,092 2002 26
Oneal Boy 6 #11,642 3,049 1932 58
Osiel Boy 123 #1,454 2,995 2023 16
Oral Unisex – – 2,802 1917 69
Ocie Unisex – – 2,739 1916 65
Olan Boy 14 #6,345 2,732 1920 48
Oziel Boy 229 #997 2,718 2025 12
Orson Boy 126 #1,433 2,714 2023 9
Odie Unisex 17 #5,547 2,623 1916 65
Olaf Boy 5 #13,369 2,531 1916 46
Obadiah Boy 104 #1,630 2,521 2024 11
Om Boy 66 #2,177 2,321 2008 14
Osmar Boy 59 #2,345 2,304 2008 16
Ole Boy 21 #4,820 2,125 1881 43
Orland Boy – – 2,081 1922 66
Ozias Boy 381 #708 2,066 2025 3
Olivier Boy 52 #2,559 1,989 2011 15
Orvil Boy – – 1,935 1921 76
Oneil Boy 7 #10,405 1,757 1924 35
Osborne Boy 22 #4,663 1,754 1915 55
Orie Unisex 11 #7,545 1,727 1922 50
Ozell Unisex 5 #13,387 1,725 1920 63
Orlin Boy 22 #4,662 1,683 1932 24
Ossie Unisex – – 1,677 1919 65
Octavious Boy 17 #5,546 1,669 1992 27
Oris Unisex – – 1,661 1915 69
Ori Unisex 76 #2,002 1,619 2024 12
Oden Boy 74 #2,033 1,574 2022 8
Octavian Boy 51 #2,592 1,481 2021 14
Okey Boy – – 1,462 1925 70
Oakland Unisex 160 #1,248 1,409 2025 4
Oshea Boy 54 #2,507 1,227 2019 12
Orvel Boy – – 1,157 1919 77
Orvin Boy – – 1,140 1917 70
Oryan Boy 36 #3,289 1,130 2009 16
Ovidio Boy 24 #4,351 1,082 2024 36
Otoniel Boy 15 #6,069 1,075 1995 24
Oaklee Unisex 75 #2,017 1,017 2022 5
Osama Boy 18 #5,341 979 1999 29
Orlan Boy 7 #10,406 960 1926 69
Orvis Boy – – 940 1920 80
Orris Boy – – 939 1918 78
Ozie Unisex – – 933 1924 71
Orren Boy 7 #10,407 925 1923 32
Orlo Boy – – 920 1919 79
Omri Boy 32 #3,567 895 2021 13
Orman Boy – – 886 1923 75
Ontario Boy – – 877 1991 33
Obinna Boy 16 #5,777 874 2006 23
Omega Unisex 27 #4,016 818 2019 9
Ogden Boy 9 #8,726 810 1917 14
Omid Boy 23 #4,497 803 1987 27
Owyn Unisex 16 #5,780 775 2015 12
Oumar Boy 38 #3,171 761 2013 12
Osie Unisex – – 748 1927 73
Owens Boy 12 #7,086 745 1921 51
Ovid Boy – – 741 1915 73
Othel Unisex – – 732 1921 77
Orian Unisex 15 #6,068 725 2018 16
Oaklen Unisex 62 #2,277 725 2023 3
Othniel Boy 47 #2,746 715 2018 8
Ousmane Boy 31 #3,635 712 2023 12
Opie Unisex 29 #3,824 707 2022 5
Octaviano Boy – – 689 1949 45
Othello Unisex 8 #9,476 687 1919 28
Oz Boy 33 #3,490 677 2019 9
Orrie Unisex – – 675 1918 65
Onnie Unisex – – 657 1915 69
Oak Boy 59 #2,344 647 2023 5
Ojas Boy 46 #2,787 646 2025 8
Olajuwon Boy 8 #9,469 641 1994 30
Olando Boy – – 621 1975 41
Obert Boy – – 619 1921 51
Oziah Boy 87 #1,833 612 2025 4
Ottie Unisex – – 609 1917 74
Orbie Unisex – – 609 1916 77
Osborn Boy 6 #11,645 603 1923 12
Orange Boy – – 598 1920 –
Odus Boy – – 596 1918 73
Onesimo Boy – – 594 1982 41
Oslo Boy 78 #1,969 581 2022 3
Olie Unisex – – 577 1920 –
Oluwatobi Unisex 7 #10,404 562 2002 17
Orel Unisex 6 #11,643 562 1916 23
Osmin Boy 12 #7,083 549 2006 18
Orien Boy 9 #8,733 545 1919 18
Overton Boy – – 544 1918 70
Orlanda Unisex – – 538 1968 53
Othman Boy 34 #3,427 536 2022 9
Ova Unisex – – 528 1918 –
Odysseus Boy 44 #2,870 526 2025 6
Olden Boy – – 514 1918 73
Ormond Boy – – 513 1917 69
Oisin Boy 22 #4,660 513 2020 10
Oval Unisex – – 500 1920 –
Ociel Boy 17 #5,545 499 2008 18
Olsen Boy 66 #2,176 491 2025 5
Ovie Unisex 9 #8,738 489 1917 11
Omarr Boy – – 488 1980 37
Obrian Boy – – 482 1987 32
Olliver Boy 24 #4,348 479 2015 7
Orhan Boy 92 #1,763 477 2025 3
Olvin Boy 21 #4,821 474 2019 11
Omero Boy – – 474 1990 33
Osmond Boy 13 #6,713 470 2022 17
Oleg Boy 9 #8,728 466 2019 17
Ostin Boy 23 #4,498 464 2023 9
Orley Boy – – 459 1918 –
Orbin Boy – – 456 1916 76
Octave Boy – – 450 1918 –
Oather Boy – – 443 1919 –
Osias Boy 43 #2,921 434 2025 7
Owais Boy 40 #3,073 433 2023 8
Oracio Boy – – 423 1978 34
Ollis Boy – – 414 1927 –
Olegario Boy 6 #11,637 414 1981 34
Oseas Boy 24 #4,350 408 2024 11
Oshay Unisex – – 400 1992 28
Olufemi Boy 7 #10,399 390 1983 30
Osualdo Boy – – 387 1993 41
Orry Boy 6 #11,644 383 1986 35
Oswin Unisex 14 #6,350 379 2018 8
Otilio Boy – – 375 1978 41
Oaklyn Unisex 23 #4,494 373 2018 5
Oley Boy – – 373 1922 –
Onix Boy 22 #4,661 371 2022 10
Odes Boy – – 367 1923 –
Ousman Boy 9 #8,737 360 2016 13
Oreste Boy – – 357 1921 –
Omkar Boy 9 #8,731 353 2008 16
Odean Unisex – – 351 1924 –
Osiah Boy 54 #2,508 346 2025 3
Orlie Boy – – 345 1918 –
Oddie Unisex – – 343 1919 –
Orestes Boy – – 343 1986 39
Olson Boy 30 #3,732 343 2024 7
Ollivander Boy 30 #3,731 343 2022 4
Omair Boy 8 #9,471 336 2001 23
Ozan Boy 17 #5,549 335 2020 9
Oseias Boy 40 #3,072 333 2017 6
Odyn Boy 20 #4,998 327 2018 6
Oriel Unisex 24 #4,349 318 2024 7
Ollin Boy 15 #6,067 316 2022 8
Orazio Boy – – 310 1918 –
Orest Boy 16 #5,779 310 1952 65
Olyver Boy 14 #6,346 306 2022 7
Omarian Boy – – 304 2004 20
Ollen Boy – – 302 1919 –
Oda Unisex – – 301 1918 –
Obryan Boy – – 301 1984 35
Olamide Unisex 6 #11,636 298 2014 11
Orla Unisex – – 286 2024 –
Onie Unisex – – 277 1918 –
Oluwaseun Unisex – – 272 2007 20
Oluwademilade Unisex 8 #9,470 237 2014 10
Oree Unisex – – 235 1923 –
Oluwaseyi Unisex – – 232 2005 17
Oluwadarasimi Unisex 7 #10,400 180 2016 9
Oluwadamilola Unisex 5 #13,372 180 2014 13
Oreoluwa Unisex 5 #13,377 170 2016 11
Oluwanifemi Unisex – – 156 2016 11
Oluwatosin Unisex – – 156 1998 21
Okie Unisex – – 124 1920 –
Orva Unisex – – 105 1916 –
Omni Unisex 9 #8,732 102 2021 5
October Unisex 9 #8,725 96 2022 –
Osa Unisex – – 87 1918 –
Osha Unisex – – 85 1993 –
Oluwatamilore Unisex – – 79 2018 –
Oasis Unisex 13 #6,711 78 2025 –
Odyssey Unisex 8 #9,468 41 2022 –
Ople Unisex – – 19 1922 –