Meaning not yet researched.
Leo: US boys given the name each year, 1880 to 2025, from Social Security card applications. 8,173 in 2025. Its best rank was #18 in 2023.
US births per year · SSA card applications
Peaked at #18 in 2023; #19 in 2025. About 99.7% of babies named Leo in 2025 were boys.
Baby name · US data 1880–2025
#19 for US boys in 2025. Its best year was 2023, at #18.
Hover, tap or use the arrow keys for any year. Years with fewer than five babies of a sex are not published by SSA and show as zero.
Leo: US boys given the name each year from 1880 to 2025. 8,173 boys in 2025. Peak: #18 in 2023 · most boys in one year: 8,293 (2022).
In 2025, 8,173 US boys were named Leo, making it the 19th most common boys’ name of the year, up 5 places from #24 in 2024. That is 350 more than the 7,823 boys named Leo in 2024. Its best rank for boys was #18, reached in 2023. The most boys given the name in a single year was 8,293, in 2022. For comparison, it was #91 in 2015 and #160 in 1950.
Social Security card records list Leo in every one of the 146 years from 1880 to 2025; in 1880 there were 153 babies with the name. In all, 262,124 US babies have been given the name, 0.8% of them girls and 99% boys. Its busiest decade was the 2020s, with 47,645 babies named Leo.
Over the 10 years from 2016 to 2025, 73,022 US boys were named Leo; the busiest of those years was 2022, with 8,293. In 2025 that was about 1 in 209 of the boys in SSA’s list for the year.
Among the states, Leo ranked highest in Illinois in 2025, at #8 for boys there. It was in the top 100 in 48 states (counting DC). Related spellings in the SSA files include Leon (184,074 babies since 1880), Leonidas (10,281 babies since 1880), Leone (6,637 babies since 1880) and Lev (3,083 babies since 1880). Rarer spellings such as Leonid are summarised on this page. The open nickname list we use links it to Leon.
Meaning not yet researched.
We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.
Wikidata records this spelling as a given name in Czech, Dutch, Finnish, Italian and Latvian. That is where the name is used, not necessarily where it comes from.
Rare spellings summarised here: Leonid (494).
Numbers are all-time US births. Links come from Wikidata’s “said to be the same as” (P460, CC0) and our spelling rule: at most two letters different, with the same sound pattern.
US boys. Rank within each state. SSA leaves out states where fewer than five boys got the name, so 2 are not listed.
| State | Births 2025 | Rank 2025 | Rank 2015 |
|---|---|---|---|
| Illinois | 385 | #8 | #63 |
| South Dakota | 40 | #9 | #42 |
| Minnesota | 207 | #9 | #21 |
| New York | 625 | #11 | #51 |
| New Jersey | 298 | #13 | #78 |
| North Dakota | 31 | #13 | #71 |
| Massachusetts | 223 | #14 | #67 |
| Vermont | 18 | #14 | #102 |
| District of Columbia | 27 | #14 | #65 |
| Wisconsin | 169 | #15 | #47 |
| Michigan | 256 | #15 | #96 |
| California | 1,173 | #15 | #75 |
| Iowa | 88 | #16 | #55 |
| Utah | 129 | #17 | #87 |
| Kansas | 87 | #17 | #63 |
| Ohio | 315 | #18 | #92 |
| Delaware | 27 | #18 | #191 |
| Washington | 201 | #19 | #63 |
| Colorado | 162 | #19 | #79 |
| Connecticut | 96 | #20 | #80 |
| Pennsylvania | 330 | #20 | #93 |
| Nebraska | 57 | #23 | #82 |
| Maine | 31 | #24 | #91 |
| Montana | 29 | #25 | #81 |
| Hawaii | 24 | #25 | #55 |
| Florida | 493 | #26 | #117 |
| New Mexico | 40 | #26 | #106 |
| Oregon | 88 | #27 | #63 |
| Arizona | 165 | #29 | #106 |
| New Hampshire | 35 | #29 | #89 |
| Missouri | 144 | #34 | #76 |
| Virginia | 179 | #35 | #108 |
| Indiana | 140 | #37 | #83 |
| North Carolina | 225 | #42 | #139 |
| Nevada | 52 | #45 | #144 |
| Texas | 668 | #47 | #138 |
| Rhode Island | 18 | #48 | #102 |
| Oklahoma | 74 | #48 | #171 |
| Idaho | 38 | #49 | #179 |
| Maryland | 100 | #50 | #101 |
| Louisiana | 69 | #52 | #202 |
| West Virginia | 30 | #53 | #130 |
| South Carolina | 80 | #55 | #165 |
| Georgia | 174 | #55 | #170 |
| Tennessee | 126 | #64 | #151 |
| Alabama | 65 | #73 | #259 |
| Kentucky | 66 | #74 | #112 |
| Arkansas | 41 | #75 | #223 |
| Mississippi | 25 | #130 | #358 |
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | 23 | #5,492 | 8,173 | #19 |
| 2024 | 18 | #6,550 | 7,823 | #24 |
| 2023 | 28 | #4,818 | 8,160 | #18 |
| 2022 | 32 | #4,423 | 8,293 | #22 |
| 2021 | 32 | #4,373 | 7,803 | #31 |
| 2020 | 31 | #4,405 | 7,229 | #36 |
| 2019 | 22 | #5,723 | 7,504 | #40 |
| 2018 | 19 | #6,410 | 6,773 | #50 |
| 2017 | 17 | #6,979 | 5,965 | #62 |
| 2016 | 13 | #8,679 | 5,299 | #74 |
| 2015 | 11 | #9,872 | 4,603 | #91 |
| 2014 | 16 | #7,506 | 3,976 | #97 |
| 2013 | 9 | #11,553 | 3,511 | #112 |
| 2012 | 8 | #12,905 | 2,879 | #134 |
| 2011 | 6 | #15,943 | 2,250 | #167 |
| 2010 | — | — | 1,946 | #191 |
| 2009 | 6 | #16,379 | 1,802 | #210 |
| 2008 | 6 | #16,612 | 1,628 | #228 |
| 2007 | — | — | 1,531 | #238 |
| 2006 | — | — | 1,501 | #235 |
| 2005 | 7 | #13,850 | 1,275 | #259 |
| 2004 | 5 | #17,669 | 1,239 | #265 |
| 2003 | 8 | #11,939 | 1,095 | #285 |
| 2002 | 6 | #14,658 | 809 | #339 |
| 2001 | — | — | 736 | #360 |
| 2000 | — | — | 658 | #388 |
| 1999 | — | — | 524 | #441 |
| 1998 | — | — | 527 | #434 |
| 1997 | — | — | 458 | #471 |
| 1996 | — | — | 447 | #482 |
| 1995 | 5 | #14,755 | 446 | #486 |
| 1994 | — | — | 474 | #462 |
| 1993 | 6 | #12,742 | 456 | #465 |
| 1992 | — | — | 469 | #463 |
| 1991 | — | — | 506 | #441 |
| 1990 | — | — | 431 | #477 |
| 1989 | 5 | #13,595 | 428 | #454 |
| 1988 | 6 | #11,155 | 451 | #426 |
| 1987 | 7 | #9,352 | 452 | #410 |
| 1986 | — | — | 415 | #422 |
| 1985 | 5 | #11,660 | 447 | #405 |
| 1984 | — | — | 430 | #396 |
| 1983 | 7 | #8,576 | 429 | #388 |
| 1982 | 6 | #9,895 | 483 | #366 |
| 1981 | 6 | #9,798 | 533 | #341 |
| 1980 | — | — | 473 | #367 |
| 1979 | — | — | 484 | #362 |
| 1978 | 7 | #8,130 | 478 | #353 |
| 1977 | 5 | #10,512 | 484 | #359 |
| 1976 | 7 | #7,748 | 481 | #348 |
| 1975 | 7 | #7,599 | 516 | #336 |
| 1974 | — | — | 511 | #340 |
| 1973 | 8 | #6,396 | 509 | #335 |
| 1972 | 7 | #6,934 | 550 | #327 |
| 1971 | 7 | #7,009 | 651 | #302 |
| 1970 | 6 | #7,562 | 701 | #294 |
| 1969 | — | — | 741 | #273 |
| 1968 | 5 | #7,636 | 695 | #279 |
| 1967 | 8 | #5,229 | 767 | #262 |
| 1966 | — | — | 856 | #244 |
| 1965 | 6 | #6,188 | 902 | #247 |
| 1964 | 9 | #4,811 | 1,028 | #233 |
| 1963 | 6 | #6,252 | 1,016 | #237 |
| 1962 | 9 | #4,721 | 1,100 | #232 |
| 1961 | — | — | 1,178 | #230 |
| 1960 | 9 | #4,624 | 1,204 | #230 |
| 1959 | 11 | #3,929 | 1,432 | #202 |
| 1958 | 9 | #4,360 | 1,428 | #196 |
| 1957 | 9 | #4,397 | 1,511 | #190 |
| 1956 | 8 | #4,667 | 1,550 | #184 |
| 1955 | 9 | #4,243 | 1,576 | #175 |
| 1954 | 6 | #5,477 | 1,613 | #172 |
| 1953 | 13 | #3,201 | 1,656 | #162 |
| 1952 | 6 | #5,236 | 1,558 | #171 |
| 1951 | 5 | #5,843 | 1,658 | #156 |
| 1950 | 6 | #5,032 | 1,554 | #160 |
| 1949 | 10 | #3,511 | 1,646 | #153 |
| 1948 | 5 | #5,654 | 1,718 | #151 |
| 1947 | 8 | #4,188 | 1,805 | #147 |
| 1946 | 13 | #2,813 | 1,647 | #147 |
| 1945 | 11 | #2,846 | 1,582 | #139 |
| 1944 | 10 | #3,054 | 1,592 | #132 |
| 1943 | 11 | #2,964 | 1,694 | #133 |
| 1942 | 15 | #2,360 | 1,800 | #120 |
| 1941 | 15 | #2,228 | 1,726 | #116 |
| 1940 | 15 | #2,160 | 1,752 | #112 |
| 1939 | 14 | #2,260 | 1,842 | #108 |
| 1938 | 14 | #2,285 | 1,952 | #104 |
| 1937 | 13 | #2,386 | 2,015 | #97 |
| 1936 | 16 | #1,986 | 2,017 | #94 |
| 1935 | 13 | #2,376 | 2,142 | #92 |
| 1934 | 19 | #1,809 | 2,309 | #86 |
| 1933 | 23 | #1,576 | 2,352 | #75 |
| 1932 | 22 | #1,659 | 2,500 | #74 |
| 1931 | 39 | #1,155 | 2,700 | #69 |
| 1930 | 46 | #1,094 | 3,035 | #63 |
| 1929 | 28 | #1,468 | 3,018 | #60 |
| 1928 | 44 | #1,153 | 3,095 | #61 |
| 1927 | 58 | #1,006 | 3,536 | #55 |
| 1926 | 52 | #1,041 | 3,552 | #54 |
| 1925 | 53 | #1,042 | 3,775 | #54 |
| 1924 | 48 | #1,133 | 3,990 | #51 |
| 1923 | 51 | #1,071 | 3,973 | #49 |
| 1922 | 50 | #1,086 | 3,901 | #51 |
| 1921 | 50 | #1,078 | 4,066 | #50 |
| 1920 | 62 | #926 | 4,054 | #48 |
| 1919 | 53 | #992 | 3,802 | #49 |
| 1918 | 62 | #912 | 4,036 | #48 |
| 1917 | 51 | #983 | 3,779 | #47 |
| 1916 | 59 | #883 | 3,621 | #47 |
| 1915 | 48 | #960 | 3,527 | #47 |
| 1914 | 35 | #1,012 | 2,655 | #47 |
| 1913 | 26 | #1,080 | 2,031 | #48 |
| 1912 | 17 | #1,330 | 1,654 | #49 |
| 1911 | 18 | #1,057 | 844 | #51 |
| 1910 | 25 | #868 | 707 | #51 |
| 1909 | 19 | #951 | 609 | #49 |
| 1908 | 22 | #842 | 584 | #49 |
| 1907 | 16 | #969 | 651 | #42 |
| 1906 | 11 | #1,197 | 508 | #47 |
| 1905 | 14 | #1,042 | 512 | #46 |
| 1904 | 19 | #843 | 552 | #42 |
| 1903 | 11 | #1,105 | 636 | #38 |
| 1902 | 14 | #955 | 551 | #43 |
| 1901 | 12 | #983 | 456 | #42 |
| 1900 | 17 | #930 | 570 | #46 |
| 1899 | 10 | #1,063 | 482 | #43 |
| 1898 | 20 | #763 | 588 | #39 |
| 1897 | 12 | #955 | 462 | #46 |
| 1896 | 22 | #675 | 497 | #47 |
| 1895 | 7 | #1,369 | 509 | #42 |
| 1894 | 10 | #1,031 | 515 | #42 |
| 1893 | 19 | #675 | 448 | #45 |
| 1892 | 14 | #817 | 444 | #49 |
| 1891 | 8 | #1,056 | 353 | #51 |
| 1890 | 12 | #807 | 393 | #49 |
| 1889 | 8 | #995 | 325 | #59 |
| 1888 | 10 | #871 | 353 | #59 |
| 1887 | 6 | #1,094 | 232 | #74 |
| 1886 | 8 | #864 | 240 | #73 |
| 1885 | 11 | #679 | 199 | #83 |
| 1884 | 6 | #980 | 192 | #84 |
| 1883 | — | — | 142 | #95 |
| 1882 | — | — | 146 | #99 |
| 1881 | 6 | #790 | 122 | #103 |
| 1880 | 6 | #799 | 147 | #93 |
About the data: counts are Social Security card applications for US births, for names given to at least five babies of a sex in a year (SSA, names.zip, public domain). Ranks follow SSA’s own order: most births first, ties alphabetical. Files retrieved 2026-10-05 (checksum on our sources page).