Names starting with O: Oladimeji to Omaid
300 first names from SSA's national file, part 2 of 5 of the O directory. 90 link to their full record; for the other 210, the row is NameAlmanac's record: the babies given the name since 1880, the years SSA recorded it (5 or more babies of one sex in a year), its peak year and its 2025 births.
Names: SSA national file, 1880-2025, published May 8, 2026. SSA’s notes on the data. SSA lists a name in a year only when 5 or more babies of one sex got it.
Oladimeji to Omaid
| Name | Given to | Babies since 1880 | On record | Peak year | Babies in 2025 |
|---|---|---|---|---|---|
| Oladimeji | Boys | 33 | 1980-2014, 6 years | 2000 | under 5 |
| Oladipo | Boys | 5 | 2003, 1 year | 2003 | under 5 |
| Oladipupo | Boys | 5 | 1995, 1 year | 1995 | under 5 |
| Oladis | Girls | 5 | 1996, 1 year | 1996 | under 5 |
| Olaedo | Girls | 12 | 2024-2025, 2 years | 2025 | 7 |
| Olaf | Boys | 2,531 | 1880-2025, 145 years | 1916 | 5 |
| Olah | Girls | 15 | 1898-1923, 3 years | 1898 | under 5 |
| Olaia | Girls | 5 | 2024, 1 year | 2024 | under 5 |
| Olaiya | Girls | 8 | 1973, 1 year | 1973 | under 5 |
| Olajawon | Boys | 19 | 1986-1995, 3 years | 1995 | under 5 |
| Olajide | Boys | 37 | 1987-2021, 5 years | 1987 | under 5 |
| Olajumoke | Girls | 23 | 1974-1987, 4 years | 1976 | under 5 |
| Olajuwan | Boys | 12 | 1990-1995, 2 years | 1995 | under 5 |
| Olajuwon | Boys | 641 | 1983-2025, 40 years | 1994 | 8 |
| Olakunle | Boys | 10 | 1978-1987, 2 years | 1978 | under 5 |
| Olalekan | Boys | 24 | 1996-2017, 4 years | 1996 | under 5 |
| Olalla | Girls | 5 | 2024, 1 year | 2024 | under 5 |
| Olamae | Girls | 182 | 1912-1959, 24 years | 1918 | under 5 |
| Olamide | Both, 51% girls | 604 | 1986-2025, 36 years | 2014 | 6 |
| Olamilekan | Boys | 5 | 2013, 1 year | 2013 | under 5 |
| Olamiposi | Both, 36% girls | 33 | 2012-2018, 4 years | 2015 | under 5 |
| Olan | Boys | 2,732 | 1895-2025, 121 years | 1920 | 14 |
| Olana | Girls | 95 | 2009-2024, 13 years | 2021 | under 5 |
| Oland | Boys | 274 | 1907-1957, 35 years | 1919 | under 5 |
| Olanda | Both, 42% girls | 191 | 1954-1983, 19 years | 1970 | under 5 |
| Olander | Boys | 173 | 1913-1988, 27 years | 1930 | under 5 |
| Olando | Boys | 621 | 1956-2021, 55 years | 1975 | under 5 |
| Olani | Girls | 161 | 2012-2025, 12 years | 2025 | 33 |
| Olaniyan | Boys | 6 | 1974, 1 year | 1974 | under 5 |
| Olanna | Girls | 170 | 2012-2025, 13 years | 2025 | 20 |
| Olanrewaju | Boys | 80 | 1974-2024, 15 years | 1990 | under 5 |
| Olaoluwa | Boys | 215 | 2000-2024, 23 years | 2014 | under 5 |
| Olaoluwakitan | Boys | 6 | 2017, 1 year | 2017 | under 5 |
| Olar | Girls | 254 | 1888-1944, 34 years | 1913 | under 5 |
| Olas | Boys | 5 | 1913, 1 year | 1913 | under 5 |
| Olasubomi | Boys | 5 | 2019, 1 year | 2019 | under 5 |
| Olasunkanmi | Boys | 5 | 2012, 1 year | 2012 | under 5 |
| Olatokunbo | Girls | 15 | 1983-1985, 3 years | 1983 | under 5 |
| Olatomiwa | Boys | 5 | 2017, 1 year | 2017 | under 5 |
| Olatunde | Boys | 19 | 1978-2011, 3 years | 1978 | under 5 |
| Olatunji | Boys | 10 | 1974-1998, 2 years | 1974 | under 5 |
| Olav | Boys | 38 | 1919-2022, 7 years | 1919 | under 5 |
| Olavi | Boys | 41 | 1914-1924, 6 years | 1920 | under 5 |
| Olawale | Boys | 120 | 1980-2021, 20 years | 2020 | under 5 |
| Olaya | Girls | 67 | 2006-2025, 7 years | 2023 | 10 |
| Olayinka | Both, 55% girls | 110 | 1973-2018, 16 years | 1984 | under 5 |
| Olbin | Boys | 5 | 2009, 1 year | 2009 | under 5 |
| Oldair | Boys | 5 | 2002, 1 year | 2002 | under 5 |
| Olden | Boys | 514 | 1885-1982, 53 years | 1918 | under 5 |
| Oldrich | Boys | 22 | 1916-1922, 3 years | 1917 | under 5 |
| Ole | Boys | 2,125 | 1880-2025, 132 years | 1881 | 21 |
| Olea | Girls | 57 | 1916-2025, 9 years | 2025 | 9 |
| Olean | Girls | 870 | 1900-1963, 51 years | 1926 | under 5 |
| Oleander | Both, 14% girls | 90 | 2021-2025, 5 years | 2025 | 23 |
| Oleane | Girls | 6 | 1913, 1 year | 1913 | under 5 |
| Oleatha | Girls | 55 | 1918-1964, 9 years | 1919 | under 5 |
| Oleavia | Girls | 11 | 1920-1924, 2 years | 1920 | under 5 |
| Oleda | Girls | 276 | 1911-1979, 31 years | 1920 | under 5 |
| Olee | Both, 57% girls | 65 | 1917-2021, 11 years | 1920 | under 5 |
| Oleen | Girls | 44 | 1917-1933, 7 years | 1924 | under 5 |
| Oleeta | Girls | 57 | 1915-1939, 10 years | 1925 | under 5 |
| Oleg | Boys | 466 | 1959-2025, 37 years | 2019 | 9 |
| Olegario | Boys | 414 | 1921-2025, 53 years | 1981 | 6 |
| Oleh | Boys | 54 | 1950-1980, 8 years | 1958 | under 5 |
| Oleita | Girls | 15 | 1912-1921, 3 years | 1912 | under 5 |
| Olek | Boys | 24 | 2016-2023, 4 years | 2023 | under 5 |
| Oleksandr | Boys | 87 | 2009-2025, 11 years | 2023 | 11 |
| Oleksiy | Boys | 20 | 2014-2022, 4 years | 2014 | under 5 |
| Olema | Girls | 12 | 1919-1924, 2 years | 1919 | under 5 |
| Olen | Boys | 7,678 | 1880-2025, 143 years | 1922 | 33 |
| Olena | Girls | 920 | 1882-2025, 93 years | 2024 | 21 |
| Olene | Girls | 1,347 | 1898-1962, 57 years | 1922 | under 5 |
| Olenna | Girls | 144 | 2017-2025, 9 years | 2025 | 23 |
| Oler | Girls | 43 | 1900-1923, 7 years | 1919 | under 5 |
| Oles | Boys | 5 | 2022, 1 year | 2022 | under 5 |
| Olesha | Girls | 5 | 1975, 1 year | 1975 | under 5 |
| Olesia | Girls | 85 | 2002-2024, 12 years | 2010 | under 5 |
| Olester | Boys | 5 | 1928, 1 year | 1928 | under 5 |
| Olesya | Girls | 113 | 1998-2024, 18 years | 2004 | under 5 |
| Oleta | Girls | 5,472 | 1888-2021, 91 years | 1920 | under 5 |
| Oletha | Girls | 1,214 | 1897-1980, 75 years | 1923 | under 5 |
| Olethea | Girls | 5 | 1990, 1 year | 1990 | under 5 |
| Olethia | Girls | 47 | 1923-1989, 8 years | 1932 | under 5 |
| Oletta | Girls | 343 | 1912-2025, 35 years | 1923 | 6 |
| Oleva | Girls | 210 | 1898-1938, 28 years | 1926 | under 5 |
| Olevia | Girls | 1,945 | 1882-2022, 113 years | 1921 | under 5 |
| Olexa | Girls | 10 | 2007-2009, 2 years | 2007 | under 5 |
| Olexus | Girls | 5 | 1996, 1 year | 1996 | under 5 |
| Oley | Boys | 378 | 1883-1964, 47 years | 1922 | under 5 |
| Olga | Girls | 62,070 | 1880-2025, 146 years | 1918 | 50 |
| Olgia | Girls | 11 | 1924-1941, 2 years | 1941 | under 5 |
| Olgie | Girls | 30 | 1906-1929, 5 years | 1921 | under 5 |
| Olha | Girls | 8 | 1955, 1 year | 1955 | under 5 |
| Oli | Both, 11% girls | 157 | 2009-2025, 13 years | 2023 | 15 |
| Olia | Girls | 226 | 1890-2016, 36 years | 1940 | under 5 |
| Oliana | Girls | 226 | 2004-2025, 21 years | 2018 | 12 |
| Olianna | Girls | 26 | 2013-2023, 4 years | 2022 | under 5 |
| Olias | Boys | 7 | 2018, 1 year | 2018 | under 5 |
| Oliber | Boys | 5 | 2015, 1 year | 2015 | under 5 |
| Olibia | Girls | 5 | 1979, 1 year | 1979 | under 5 |
| Olice | Both, 12% girls | 59 | 1915-1937, 9 years | 1921 | under 5 |
| Olicia | Girls | 23 | 1984-1994, 4 years | 1988 | under 5 |
| Olida | Girls | 5 | 1915, 1 year | 1915 | under 5 |
| Olie | Both, 42% girls | 997 | 1880-2019, 77 years | 1920 | under 5 |
| Olif | Boys | 6 | 1917, 1 year | 1917 | under 5 |
| Olijah | Boys | 35 | 2012-2024, 6 years | 2019 | under 5 |
| Olimpia | Girls | 420 | 1907-2025, 59 years | 1990 | 12 |
| Olin | Boys | 9,934 | 1880-2025, 146 years | 1921 | 86 |
| Olina | Girls | 320 | 1979-2025, 26 years | 2022 | 13 |
| Olinda | Girls | 1,066 | 1884-2017, 98 years | 1954 | under 5 |
| Olindo | Boys | 26 | 1915-1923, 4 years | 1923 | under 5 |
| Oline | Girls | 377 | 1884-1945, 43 years | 1917 | under 5 |
| Olinka | Girls | 21 | 1969-1979, 4 years | 1979 | under 5 |
| Olis | Both, 23% girls | 149 | 1914-1944, 18 years | 1922 | under 5 |
| Olisa | Girls | 56 | 1969-2016, 9 years | 1979 | under 5 |
| Olisaemeka | Boys | 10 | 2011-2012, 2 years | 2011 | under 5 |
| Olisha | Girls | 25 | 1978-1995, 5 years | 1978 | under 5 |
| Olita | Girls | 142 | 1906-1973, 24 years | 1917 | under 5 |
| Oliv | Girls | 5 | 2022, 1 year | 2022 | under 5 |
| Oliva | Girls | 2,008 | 1884-2025, 127 years | 1990 | 16 |
| Olivama | Girls | 6 | 1931, 1 year | 1931 | under 5 |
| Olivander | Boys | 142 | 2016-2025, 10 years | 2023 | 18 |
| Olivar | Boys | 18 | 2016-2022, 3 years | 2016 | under 5 |
| Olive | Girls | 67,320 | 1880-2025, 146 years | 2022 | 1,604 |
| Olivea | Girls | 644 | 1917-2025, 39 years | 2008 | 7 |
| Oliveah | Girls | 76 | 2004-2015, 10 years | 2006 | under 5 |
| Olivemae | Girls | 5 | 2024, 1 year | 2024 | under 5 |
| Olivene | Girls | 124 | 1913-1935, 17 years | 1918 | under 5 |
| Oliver | Boys | 270,680 | 1880-2025, 146 years | 2024 | 14,963 |
| Olivera | Girls | 19 | 1968-2025, 3 years | 1976 | 6 |
| Oliverio | Boys | 221 | 1943-2025, 32 years | 2008 | 5 |
| Oliverjames | Boys | 24 | 2015-2025, 4 years | 2021 | 6 |
| Olivet | Girls | 118 | 1917-2025, 15 years | 2025 | 14 |
| Olivett | Girls | 7 | 1924, 1 year | 1924 | under 5 |
| Olivette | Girls | 788 | 1886-2025, 72 years | 1920 | 26 |
| Olivia | Girls | 568,136 | 1880-2025, 146 years | 2014 | 13,554 |
| Oliviaann | Girls | 37 | 2012-2023, 6 years | 2022 | under 5 |
| Oliviafaith | Girls | 5 | 2017, 1 year | 2017 | under 5 |
| Oliviagrace | Girls | 236 | 1998-2025, 20 years | 2019 | 13 |
| Oliviah | Girls | 717 | 1992-2025, 29 years | 2011 | 9 |
| Oliviajane | Girls | 5 | 2022, 1 year | 2022 | under 5 |
| Oliviamae | Girls | 43 | 2016-2024, 6 years | 2022 | under 5 |
| Oliviamarie | Girls | 52 | 2009-2022, 8 years | 2013 | under 5 |
| Oliviana | Girls | 421 | 2001-2025, 21 years | 2021 | 21 |
| Olivianna | Girls | 288 | 2007-2025, 18 years | 2019 | 11 |
| Oliviarae | Girls | 23 | 2018-2025, 4 years | 2022 | 5 |
| Oliviarose | Girls | 214 | 2003-2025, 19 years | 2019 | 11 |
| Olivie | Girls | 5 | 2024, 1 year | 2024 | under 5 |
| Olivier | Boys | 2,010 | 1924-2025, 66 years | 2011 | 52 |
| Olivija | Girls | 5 | 2013, 1 year | 2013 | under 5 |
| Olivine | Girls | 219 | 1884-2025, 27 years | 2021 | 13 |
| Olivio | Boys | 5 | 1942, 1 year | 1942 | under 5 |
| Oliviya | Girls | 92 | 2002-2024, 14 years | 2012 | under 5 |
| Oliviyah | Girls | 36 | 2006-2018, 6 years | 2015 | under 5 |
| Olivya | Girls | 428 | 1997-2025, 28 years | 2012 | 11 |
| Olivyah | Girls | 10 | 2012-2020, 2 years | 2012 | under 5 |
| Oliwer | Boys | 6 | 2020, 1 year | 2020 | under 5 |
| Oliwia | Girls | 290 | 1997-2025, 26 years | 2006 | 9 |
| Oliwier | Boys | 6 | 2020, 1 year | 2020 | under 5 |
| Oliyah | Girls | 26 | 2011-2024, 4 years | 2019 | under 5 |
| Olla | Girls | 552 | 1886-1952, 59 years | 1921 | under 5 |
| Olle | Both, 29% girls | 17 | 1916-2020, 3 years | 2015 | under 5 |
| Ollen | Boys | 302 | 1910-2024, 37 years | 1919 | under 5 |
| Ollene | Girls | 5 | 1916, 1 year | 1916 | under 5 |
| Olli | Boys | 66 | 2015-2025, 9 years | 2025 | 12 |
| Ollia | Girls | 18 | 1918-1926, 3 years | 1918 | under 5 |
| Olliana | Girls | 18 | 2017-2022, 3 years | 2019 | under 5 |
| Ollice | Boys | 33 | 1914-1954, 6 years | 1914 | under 5 |
| Ollie | Both, 70% girls | 59,267 | 1880-2025, 146 years | 1919 | 287 |
| Olliemae | Girls | 12 | 1918-2021, 2 years | 1918 | under 5 |
| Ollin | Boys | 316 | 1919-2025, 37 years | 2022 | 15 |
| Olline | Girls | 15 | 1918-1934, 3 years | 1918 | under 5 |
| Ollis | Boys | 414 | 1891-2024, 47 years | 1927 | under 5 |
| Ollivander | Boys | 343 | 2014-2025, 12 years | 2022 | 30 |
| Ollive | Girls | 12 | 1909-1924, 2 years | 1909 | under 5 |
| Olliver | Boys | 479 | 1919-2025, 26 years | 2015 | 24 |
| Ollivia | Girls | 24 | 1996-2015, 4 years | 1996 | under 5 |
| Olliyah | Girls | 10 | 1997-2004, 2 years | 1997 | under 5 |
| Olly | Both, 14% girls | 149 | 1925-2025, 14 years | 2021 | 11 |
| Ollye | Girls | 5 | 1915, 1 year | 1915 | under 5 |
| Ollyver | Boys | 35 | 2018-2022, 4 years | 2019 | under 5 |
| Olma | Girls | 13 | 1918-1920, 2 years | 1920 | under 5 |
| Olman | Boys | 153 | 2001-2025, 21 years | 2009 | 9 |
| Olna | Girls | 5 | 1937, 1 year | 1937 | under 5 |
| Olney | Boys | 196 | 1888-1963, 23 years | 1919 | under 5 |
| Olof | Boys | 107 | 1883-1934, 17 years | 1914 | under 5 |
| Ololade | Girls | 37 | 2005-2025, 7 years | 2005 | 5 |
| Olon | Boys | 128 | 1914-1967, 20 years | 1923 | under 5 |
| Olori | Girls | 25 | 2020-2023, 4 years | 2021 | under 5 |
| Olsen | Boys | 496 | 1989-2025, 22 years | 2025 | 66 |
| Olson | Boys | 343 | 1927-2025, 30 years | 2024 | 30 |
| Olton | Boys | 32 | 1922-1931, 5 years | 1927 | under 5 |
| Olu | Boys | 7 | 1970, 1 year | 1970 | under 5 |
| Olubukola | Girls | 11 | 1984-1993, 2 years | 1993 | under 5 |
| Olubunmi | Girls | 52 | 1977-1997, 7 years | 1981 | under 5 |
| Oluchi | Girls | 197 | 1983-2024, 26 years | 2001 | under 5 |
| Oluf | Boys | 5 | 1918, 1 year | 1918 | under 5 |
| Olufemi | Boys | 390 | 1973-2025, 45 years | 1983 | 7 |
| Olufunke | Girls | 21 | 1977-1994, 4 years | 1977 | under 5 |
| Olufunmilayo | Girls | 34 | 1973-1994, 6 years | 1981 | under 5 |
| Olujimi | Boys | 41 | 1987-2022, 7 years | 1997 | under 5 |
| Olukayode | Boys | 21 | 1977-2007, 4 years | 2007 | under 5 |
| Olukemi | Girls | 76 | 1975-2000, 13 years | 1982 | under 5 |
| Olukolade | Boys | 5 | 2024, 1 year | 2024 | under 5 |
| Olumide | Boys | 164 | 1977-2021, 26 years | 2015 | under 5 |
| Olumuyiwa | Boys | 5 | 2002, 1 year | 2002 | under 5 |
| Oluremi | Both, 50% girls | 10 | 1992-2022, 2 years | 1992 | under 5 |
| Olurotimi | Boys | 6 | 2005, 1 year | 2005 | under 5 |
| Olus | Boys | 11 | 1916-1920, 2 years | 1920 | under 5 |
| Olusegun | Boys | 77 | 1976-2006, 13 years | 1985 | under 5 |
| Oluseun | Boys | 5 | 1992, 1 year | 1992 | under 5 |
| Oluseyi | Boys | 38 | 1979-2024, 7 years | 1979 | under 5 |
| Olushola | Boys | 16 | 1982-1994, 3 years | 1989 | under 5 |
| Olutosin | Girls | 7 | 1989, 1 year | 1989 | under 5 |
| Olutoyin | Girls | 5 | 1990, 1 year | 1990 | under 5 |
| Oluwabukola | Girls | 5 | 1992, 1 year | 1992 | under 5 |
| Oluwabukunmi | Girls | 15 | 2009-2016, 2 years | 2016 | under 5 |
| Oluwabusola | Girls | 5 | 2014, 1 year | 2014 | under 5 |
| Oluwadabira | Girls | 23 | 2014-2024, 4 years | 2019 | under 5 |
| Oluwadamilare | Boys | 146 | 2002-2025, 19 years | 2019 | 5 |
| Oluwadamilola | Both, 61% girls | 464 | 1992-2025, 30 years | 2014 | 10 |
| Oluwadara | Girls | 97 | 2000-2022, 14 years | 2007 | under 5 |
| Oluwadarasimi | Both, 69% girls | 586 | 2008-2025, 18 years | 2016 | 19 |
| Oluwademilade | Both, 32% girls | 350 | 2002-2025, 22 years | 2014 | 8 |
| Oluwadunmininu | Girls | 15 | 2013-2016, 3 years | 2013 | under 5 |
| Oluwadunsin | Boys | 11 | 2021-2024, 2 years | 2024 | under 5 |
| Oluwadurotimi | Boys | 6 | 2007, 1 year | 2007 | under 5 |
| Oluwafemi | Boys | 258 | 1984-2025, 34 years | 2022 | 7 |
| Oluwaferanmi | Both, 20% girls | 156 | 2004-2025, 16 years | 2016 | 7 |
| Oluwafeyikemi | Girls | 5 | 2017, 1 year | 2017 | under 5 |
| Oluwafifehanmi | Girls | 16 | 2017-2019, 3 years | 2017 | under 5 |
| Oluwafikayo | Boys | 5 | 2015, 1 year | 2015 | under 5 |
| Oluwafikayomi | Both, 60% girls | 43 | 2015-2023, 5 years | 2016 | under 5 |
| Oluwafisayo | Girls | 5 | 2011, 1 year | 2011 | under 5 |
| Oluwafolahanmi | Boys | 5 | 2013, 1 year | 2013 | under 5 |
| Oluwafolajimi | Boys | 5 | 2014, 1 year | 2014 | under 5 |
| Oluwafunmilayo | Girls | 38 | 1999-2023, 6 years | 2017 | under 5 |
| Oluwafunmilola | Girls | 5 | 2014, 1 year | 2014 | under 5 |
| Oluwajoba | Boys | 15 | 2014-2016, 2 years | 2016 | under 5 |
| Oluwajomiloju | Both, 43% girls | 68 | 2012-2023, 7 years | 2016 | under 5 |
| Oluwakayode | Boys | 5 | 2014, 1 year | 2014 | under 5 |
| Oluwakemi | Girls | 243 | 1981-2024, 33 years | 2000 | under 5 |
| Oluwakorede | Boys | 26 | 2013-2020, 4 years | 2020 | under 5 |
| Oluwalonimi | Both, 82% girls | 28 | 2012-2020, 5 years | 2015 | under 5 |
| Oluwamayomikun | Boys | 5 | 2010, 1 year | 2010 | under 5 |
| Oluwamayowa | Boys | 11 | 2004-2018, 2 years | 2004 | under 5 |
| Oluwanifemi | Both, 61% girls | 397 | 2003-2025, 23 years | 2016 | 5 |
| Oluwapelumi | Both, 31% girls | 36 | 2002-2016, 6 years | 2004 | under 5 |
| Oluwasegun | Boys | 17 | 1993-2006, 3 years | 1999 | under 5 |
| Oluwasemilore | Both, 46% girls | 183 | 2010-2021, 11 years | 2017 | under 5 |
| Oluwaseun | Both, 34% girls | 413 | 1982-2022, 32 years | 2007 | under 5 |
| Oluwaseyi | Both, 28% girls | 322 | 1994-2024, 28 years | 2005 | under 5 |
| Oluwaseyifunmi | Both, 72% girls | 18 | 2011-2015, 3 years | 2015 | under 5 |
| Oluwashindara | Girls | 17 | 2019-2021, 2 years | 2019 | under 5 |
| Oluwatamilore | Both, 74% girls | 308 | 2003-2025, 21 years | 2018 | 11 |
| Oluwateniola | Girls | 96 | 2003-2024, 12 years | 2012 | under 5 |
| Oluwatimilehin | Boys | 206 | 2000-2025, 21 years | 2014 | 7 |
| Oluwatimileyin | Boys | 82 | 2007-2021, 11 years | 2011 | under 5 |
| Oluwatise | Both, 29% girls | 80 | 2009-2025, 11 years | 2017 | 6 |
| Oluwatishe | Girls | 17 | 2016-2017, 2 years | 2016 | under 5 |
| Oluwatoba | Boys | 6 | 2017, 1 year | 2017 | under 5 |
| Oluwatobi | Both, 22% girls | 720 | 1990-2025, 35 years | 2002 | 7 |
| Oluwatobiloba | Both, 13% girls | 273 | 2000-2024, 23 years | 2017 | under 5 |
| Oluwatofunmi | Both, 83% girls | 63 | 2008-2017, 7 years | 2016 | under 5 |
| Oluwatomi | Both, 49% girls | 55 | 2004-2018, 8 years | 2015 | under 5 |
| Oluwatomilola | Girls | 11 | 2010-2017, 2 years | 2017 | under 5 |
| Oluwatomisin | Both, 68% girls | 200 | 2001-2025, 18 years | 2012 | 5 |
| Oluwatomiwa | Boys | 72 | 2006-2021, 10 years | 2014 | under 5 |
| Oluwatoni | Both, 63% girls | 244 | 2001-2024, 20 years | 2017 | under 5 |
| Oluwatoniloba | Both, 38% girls | 16 | 2014-2017, 2 years | 2014 | under 5 |
| Oluwatosin | Both, 49% girls | 306 | 1976-2024, 32 years | 1998 | under 5 |
| Oluwatoyin | Girls | 120 | 1976-2011, 21 years | 1981 | under 5 |
| Oluwatoyosi | Girls | 10 | 2002-2017, 2 years | 2002 | under 5 |
| Oluwatumininu | Girls | 18 | 2011-2017, 3 years | 2016 | under 5 |
| Oluwayemisi | Girls | 5 | 1996, 1 year | 1996 | under 5 |
| Oluyemi | Boys | 5 | 2001, 1 year | 2001 | under 5 |
| Olva | Boys | 5 | 1915, 1 year | 1915 | under 5 |
| Olvia | Girls | 20 | 1990-2012, 4 years | 1990 | under 5 |
| Olvie | Girls | 11 | 1921-1922, 2 years | 1922 | under 5 |
| Olvin | Boys | 474 | 1916-2025, 37 years | 2019 | 21 |
| Olvis | Boys | 5 | 1918, 1 year | 1918 | under 5 |
| Olwen | Girls | 27 | 1913-2018, 4 years | 1917 | under 5 |
| Olwyn | Girls | 22 | 1917-2024, 4 years | 1970 | under 5 |
| Olya | Girls | 6 | 2008, 1 year | 2008 | under 5 |
| Olympia | Girls | 3,644 | 1897-2025, 127 years | 1981 | 84 |
| Olympus | Boys | 6 | 2023, 1 year | 2023 | under 5 |
| Olyn | Boys | 98 | 1914-2025, 16 years | 1918 | 6 |
| Olyne | Girls | 5 | 1917, 1 year | 1917 | under 5 |
| Olyssa | Girls | 6 | 2017, 1 year | 2017 | under 5 |
| Olyve | Girls | 50 | 1914-2022, 9 years | 2013 | under 5 |
| Olyvea | Girls | 10 | 2007-2008, 2 years | 2007 | under 5 |
| Olyver | Boys | 306 | 2007-2025, 19 years | 2022 | 14 |
| Olyvia | Girls | 2,670 | 1982-2025, 40 years | 2009 | 48 |
| Olyviah | Girls | 36 | 2010-2017, 4 years | 2012 | under 5 |
| Om | Boys | 2,321 | 1983-2025, 29 years | 2008 | 66 |
| Oma | Girls | 9,779 | 1880-2018, 115 years | 1916 | under 5 |
| Omaet | Boys | 5 | 2021, 1 year | 2021 | under 5 |
| Omagene | Girls | 13 | 1931-1932, 2 years | 1932 | under 5 |
| Omah | Girls | 150 | 1884-1935, 24 years | 1919 | under 5 |
| Omaid | Boys | 25 | 2000-2022, 4 years | 2001 | under 5 |
Order: alphabetical by the name as SSA spells it. Given to: the share of girls among all babies given the name.