Baby Names US
311 names

Names starting with O

Every recorded 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. 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
Olivia Girl 13,554 #1 568,136 2014 15
Oliver Boy 14,963 #3 270,680 2024 7
Owen Boy 7,223 #31 246,320 2016 12
Oscar Boy 1,620 #223 214,168 2006 27
Omar Boy 1,333 #260 106,894 2007 24
Opal Girl 740 #423 74,257 1918 52
Olive Girl 1,604 #197 67,320 2022 8
Olga Girl 50 #3,201 62,070 1918 59
Otis Boy 422 #652 61,969 1920 58
Ollie Unisex 287 #2,294 59,267 1919 69
Orlando Boy 275 #873 49,696 1987 36
Ora Unisex 40 #3,760 44,894 1919 74
Otto Boy 1,241 #277 40,015 2024 9
Orville Boy 14 #6,347 35,220 1920 72
Ola Girl 13 #8,227 30,275 1920 77
Oakley Unisex 2,621 #156 26,745 2024 4
Ophelia Girl 1,183 #264 25,785 2024 7
Octavia Girl 982 #308 24,117 2021 21
Orion Boy 1,030 #334 23,750 2018 10
Odell Unisex 23 #4,495 19,034 1922 67
Odessa Girl 193 #1,197 18,718 1920 56
Osvaldo Boy 130 #1,408 14,538 2004 23
Omari Boy 404 #687 13,557 2018 12
Odin Boy 604 #502 13,282 2022 7
Oaklynn Girl 1,973 #153 11,863 2025 3
Octavio Boy 154 #1,278 11,454 2003 25
Olin Boy 86 #1,849 9,934 1921 38
Oma Girl – – 9,779 1916 78
Oren Boy 174 #1,184 9,547 2025 25
Ofelia Girl 87 #2,148 8,997 1929 49
Omer Boy 70 #2,103 8,923 1918 26
Onyx Unisex 1,036 #365 8,632 2023 3
Odis Boy 15 #6,065 8,400 1927 66
Ocean Unisex 720 #720 8,233 2022 5
Ona Girl 21 #5,868 8,031 1917 60
Orval Boy – – 7,928 1918 75
Otha Unisex – – 7,789 1921 69
Olen Boy 33 #3,489 7,678 1922 58
Ocie Unisex 20 #6,055 6,871 1916 70
Oaklee Unisex 640 #535 6,593 2022 4
Orin Boy 85 #1,859 6,299 1920 29
Orrin Boy 62 #2,278 5,985 1915 33
Orpha Girl – – 5,974 1917 77
Oswaldo Boy 41 #3,027 5,902 2006 22
Oralia Girl 12 #8,737 5,763 1952 65
Oleta Girl – – 5,472 1920 79
Oaklyn Unisex 479 #637 5,400 2018 4
Ouida Girl – – 4,886 1924 76
Ottis Boy 15 #6,070 4,647 1922 66
Ossie Unisex – – 4,594 1919 73
Ozzy Unisex 618 #549 4,534 2025 3
Osiris Unisex 215 #1,077 4,475 2023 9
Oran Boy 19 #5,153 4,447 1922 50
Obie Unisex 10 #8,065 4,436 1924 59
Oswald Boy 67 #2,161 4,407 1916 35
Odette Girl 303 #883 4,239 2025 11
Odie Unisex 17 #5,547 4,212 1916 68
Ozzie Unisex 164 #1,455 4,177 2022 14
Oakleigh Girl 423 #668 4,138 2022 3
Obed Boy 72 #2,072 4,135 2005 20
Omarion Boy 52 #2,560 4,012 2005 20
Osman Boy 181 #1,157 3,893 2022 12
Oriana Girl 113 #1,791 3,883 2003 19
Octavius Boy 72 #2,073 3,702 1991 29
Olympia Girl 84 #2,210 3,644 1981 32
Odalys Girl 39 #3,821 3,424 1996 24
Otho Boy – – 3,328 1915 72
Oral Unisex – – 3,308 1917 69
Oskar Boy 93 #1,750 3,241 2016 12
Oneal Boy 6 #11,642 3,179 1932 58
Osbaldo Boy 14 #6,348 3,092 2002 26
Omega Unisex 32 #16,650 3,004 2019 35
Osiel Boy 123 #1,454 2,995 2023 16
Odelia Girl 56 #2,985 2,860 2024 25
Ozell Unisex 5 #13,387 2,841 1920 68
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
Odalis Girl 11 #9,306 2,696 1998 25
Olyvia Girl 48 #3,283 2,670 2009 17
Olaf Boy 5 #13,369 2,531 1916 46
Obadiah Boy 104 #1,630 2,521 2024 11
Ozella Girl 7 #12,853 2,338 1921 75
Om Boy 66 #2,177 2,321 2008 14
Osmar Boy 59 #2,345 2,304 2008 16
Oneida Girl – – 2,268 1919 52
Ozie Unisex – – 2,168 1924 76
Orie Unisex 11 #7,545 2,156 1922 56
Ole Boy 21 #4,820 2,125 1881 43
Osie Unisex – – 2,102 1927 78
Orland Boy – – 2,086 1922 66
Ozias Boy 381 #708 2,066 2025 3
Onie Unisex – – 2,063 1918 81
Olivier Boy 52 #2,559 2,010 2011 15
Oliva Girl 16 #7,059 2,008 1990 27
Ori Unisex 107 #2,002 1,966 2024 10
Olevia Girl – – 1,945 1921 69
Orvil Boy – – 1,935 1921 76
Oris Unisex – – 1,893 1915 70
Ova Unisex – – 1,892 1918 81
Ottie Unisex – – 1,884 1917 78
Oona Girl 62 #2,768 1,776 2015 10
Oneil Boy 7 #10,405 1,774 1924 35
Osborne Boy 22 #4,663 1,754 1915 55
Onnie Unisex – – 1,736 1915 74
Oakland Unisex 208 #1,248 1,701 2025 4
Otilia Girl 18 #6,492 1,696 1935 50
Orlin Boy 22 #4,662 1,683 1932 24
Octavious Boy 17 #5,546 1,674 1992 27
Oda Unisex – – 1,625 1918 85
Oden Boy 74 #2,033 1,574 2022 8
Orla Unisex 70 #2,532 1,485 2024 10
Octavian Boy 51 #2,592 1,481 2021 14
Oneta Girl – – 1,465 1922 81
Okey Boy – – 1,462 1925 70
Orianna Girl 53 #3,094 1,378 2013 15
Olene Girl – – 1,347 1922 83
October Unisex 49 #3,758 1,342 2022 11
Oshea Boy 54 #2,507 1,288 2019 12
Odilia Girl 16 #7,058 1,268 1922 63
Oletha Girl – – 1,214 1923 68
Otelia Girl – – 1,184 1923 75
Omie Girl – – 1,167 1920 78
Onita Girl – – 1,162 1925 69
Oretha Girl – – 1,158 1926 72
Orvel Boy – – 1,157 1919 77
Oceana Girl 43 #3,562 1,147 2004 17
Orvin Boy – – 1,140 1917 70
Oryan Boy 36 #3,289 1,130 2009 16
Ottilie Girl 57 #2,951 1,093 2024 3
Ovidio Boy 24 #4,351 1,082 2024 36
Otoniel Boy 15 #6,069 1,075 1995 24
Olinda Girl – – 1,066 1954 68
Oksana Girl 15 #7,404 1,055 1995 25
Orene Girl – – 1,015 1919 84
Onalee Girl 8 #11,664 1,007 1928 20
Olie Unisex – – 997 1920 –
Orelia Girl 10 #9,935 991 1920 69
Orrie Unisex – – 988 1918 69
Orris Boy – – 988 1918 78
Osama Boy 18 #5,341 979 1999 29
Orlan Boy 7 #10,406 960 1926 69
Orvis Boy – – 940 1920 80
Omri Boy 39 #3,567 939 2021 13
Orren Boy 7 #10,407 925 1923 32
Orlo Boy – – 920 1919 79
Olena Girl 21 #5,866 920 2024 14
Othel Unisex – – 886 1921 78
Orman Boy – – 886 1923 75
Ontario Boy – – 877 1991 33
Obinna Boy 16 #5,777 874 2006 23
Olean Girl – – 870 1926 83
Oneita Girl – – 869 1921 78
Ovie Unisex 9 #8,738 854 1917 13
Owyn Unisex 16 #5,780 853 2015 11
Odella Girl 7 #12,844 828 1919 75
Orly Girl 29 #4,723 824 2013 15
Orian Unisex 20 #6,068 816 2018 16
Omayra Girl – – 814 1970 46
Ogden Boy 9 #8,726 810 1917 14
Opie Unisex 29 #3,824 806 2022 5
Othello Unisex 8 #9,476 803 1919 28
Omid Boy 23 #4,497 803 1987 27
Ondrea Girl – – 795 1992 39
Orlanda Unisex – – 792 1968 54
Odile Girl – – 788 1915 –
Olivette Girl 26 #5,063 788 1920 57
Oaklen Unisex 68 #2,277 783 2023 3
Odyssey Unisex 35 #4,958 775 2022 13
Osa Unisex 9 #10,713 770 1918 –
Oumar Boy 38 #3,171 761 2013 12
Oumou Girl 35 #4,146 759 2013 12
Oaklie Girl 54 #3,063 753 2021 6
Owens Boy 12 #7,086 745 1921 51
Ovid Boy – – 741 1915 73
Odean Unisex – – 728 1924 82
Oluwatobi Unisex 7 #10,404 720 2002 18
Oliviah Girl 9 #10,707 717 2011 13
Othniel Boy 47 #2,746 715 2018 8
Ousmane Boy 31 #3,635 712 2023 12
Othella Girl – – 708 1921 79
Orma Girl – – 699 1921 –
Orel Unisex 6 #11,643 698 1916 23
Onika Girl 11 #9,311 691 1975 30
Octaviano Boy – – 689 1949 45
Oz Boy 33 #3,490 677 2019 9
Oak Boy 59 #2,344 674 2023 5
Oralee Girl – – 662 1919 82
Orbie Unisex – – 660 1916 78
Onna Girl 12 #8,736 656 2015 21
Orlena Girl – – 648 1921 54
Ojas Boy 46 #2,787 646 2025 8
Olivea Girl 7 #12,847 644 2008 17
Olajuwon Boy 8 #9,469 641 1994 30
Odetta Girl – – 628 1922 62
Olando Boy – – 621 1975 41
Obert Boy – – 619 1921 51
Orange Boy – – 616 1920 –
Orva Unisex – – 613 1916 –
Oziah Boy 87 #1,833 612 2025 4
Olamide Unisex 6 – 604 2014 14
Osborn Boy 6 #11,645 603 1923 12
Oval Unisex – – 601 1920 –
Odessia Girl – – 601 1922 79
Oddie Unisex – – 600 1919 79
Ottilia Girl 13 #8,232 597 1891 –
Odessie Girl – – 597 1923 –
Odus Boy – – 596 1918 73
Onesimo Boy – – 594 1982 41
Oluwadarasimi Unisex 19 #8,733 586 2016 8
Oslo Boy 78 #1,969 581 2022 3
Oneda Girl – – 574 1924 79
Orlean Girl – – 565 1928 –
Olla Girl – – 552 1921 –
Orien Boy 9 #8,733 550 1919 18
Osmin Boy 12 #7,083 549 2006 18
Overton Boy – – 544 1918 70
Othman Boy 34 #3,427 536 2022 9
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
Orli Girl 22 #5,665 512 2024 11
Otila Girl – – 510 1924 76
Ohana Girl 40 #3,759 502 2023 5
Ociel Boy 17 #5,545 499 2008 18
Olsen Boy 66 #2,176 496 2025 5
Omarr Boy – – 488 1980 37
Oswin Unisex 14 #6,350 482 2018 8
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
Oceanna Girl 5 #16,637 474 2006 19
Ofilia Girl – – 472 1929 76
Osmond Boy 13 #6,713 470 2022 17
Oleg Boy 9 #8,728 466 2019 17
Oluwadamilola Unisex 10 #16,645 464 2014 14
Ostin Boy 23 #4,498 464 2023 9
Orley Boy – – 459 1918 –
Orbin Boy – – 456 1916 76
Oriel Unisex 24 #4,349 453 2024 12
Octave Boy – – 450 1918 –
Oather Boy – – 443 1919 –
Omni Unisex 21 #8,735 441 2021 9
Oreoluwa Unisex 15 #9,936 441 2016 11
Opha Girl – – 439 1917 –
Oshay Unisex – – 439 1992 29
Odelle Girl – – 434 1916 –
Osias Boy 43 #2,921 434 2025 7
Owais Boy 40 #3,073 433 2023 8
Olivya Girl 11 #9,309 428 2012 13
Oracio Boy – – 423 1978 34
Oliviana Girl 21 #5,867 421 2021 8
Olimpia Girl 12 #8,732 420 1990 33
Oriah Girl 18 #6,490 420 2023 10
Ovella Girl – – 418 1924 –
Ollis Boy – – 414 1927 –
Olegario Boy 6 #11,637 414 1981 34
Oluwaseun Unisex – – 413 2007 21
Omaira Girl 5 #16,648 411 1970 45
Oseas Boy 24 #4,350 408 2024 11
Orlene Girl – – 402 1921 81
Oluwanifemi Unisex 5 #16,646 397 2016 11
Olufemi Boy 7 #10,399 390 1983 30
Oree Unisex – – 387 1923 –
Osualdo Boy – – 387 1993 41
Onix Boy 28 #4,661 383 2022 9
Orry Boy 6 #11,644 383 1986 35
Oasis Unisex 36 #5,515 383 2025 6
Oley Boy – – 378 1922 –
Oline Girl – – 377 1917 –
Otilio Boy – – 375 1978 41
Odes Boy – – 367 1923 –
Osha Unisex – – 365 1993 32
Ousman Boy 9 #8,737 360 2016 13
Orlie Boy – – 357 1918 –
Oreste Boy – – 357 1921 –
Omkar Boy 9 #8,731 353 2008 16
Oluwademilade Unisex 8 #9,470 350 2014 10
Osmara Girl 12 #8,738 346 2004 21
Osiah Boy 54 #2,508 346 2025 3
Ozelle Girl – – 343 1919 –
Oletta Girl 6 #14,480 343 1923 –
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
Othelia Girl – – 326 1917 –
Oluwaseyi Unisex – – 322 2005 19
Orlinda Girl – – 321 1946 68
Olina Girl 13 #8,228 320 2022 9
Orena Girl – – 318 1920 –
Ortencia Girl – – 316 1949 66
Ollin Boy 15 #6,067 316 2022 8
Odeal Girl – – 315 1916 –
Orazio Boy – – 310 1918 –
Orest Boy 16 #5,779 310 1952 65
Oluwatamilore Unisex 11 #9,310 308 2018 9
Oluwatosin Unisex – – 306 1998 23
Olyver Boy 14 #6,346 306 2022 7
Okie Unisex – – 305 1920 –
Orchid Girl 9 #10,712 304 2021 13
Omarian Boy – – 304 2004 20
Ople Unisex – – 303 1922 –
Ollen Boy – – 302 1919 –
Obryan Boy – – 301 1984 35