Leo is one of America's most popular boys' names, ranked #19 in 2025.
Leo is predominantly a boy name. In 2025 it ranked #19 among boys (8,173) and #5,492 among girls (23) — overall #30 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 8,196 | 8,220 | #5,492 | #19 |
| 2024 | 7,841 | 7,857 | #6,550 | #24 |
| 2023 | 8,188 | 8,198 | #4,818 | #18 |
| 2022 | 8,325 | 8,336 | #4,423 | #22 |
| 2021 | 7,835 | 7,848 | #4,373 | #31 |
| 2020 | 7,260 | 7,265 | #4,405 | #36 |
| 2019 | 7,526 | 7,535 | #5,723 | #40 |
| 2018 | 6,792 | 6,800 | #6,410 | #50 |
| 2017 | 5,982 | 5,982 | #6,979 | #62 |
| 2016 | 5,312 | 5,312 | #8,679 | #74 |
| 2015 | 4,614 | 4,621 | #9,872 | #91 |
| 2014 | 3,992 | 3,992 | #7,506 | #97 |
| 2013 | 3,520 | 3,520 | #11,553 | #112 |
| 2012 | 2,887 | 2,887 | #12,905 | #134 |
| 2011 | 2,256 | 2,256 | #15,943 | #167 |
| 2010 | 1,946 | 1,946 | — | #191 |
| 2009 | 1,808 | 1,808 | #16,379 | #210 |
| 2008 | 1,634 | 1,639 | #16,612 | #228 |
| 2007 | 1,531 | 1,537 | — | #238 |
| 2006 | 1,501 | 1,501 | — | #235 |
| 2005 | 1,282 | 1,282 | #13,850 | #259 |
| 2004 | 1,244 | 1,244 | #17,669 | #265 |
| 2003 | 1,103 | 1,103 | #11,939 | #285 |
| 2002 | 815 | 815 | #14,658 | #339 |
| 2001 | 736 | 736 | — | #360 |
| 2000 | 658 | 658 | — | #388 |
| 1999 | 524 | 524 | — | #441 |
| 1998 | 527 | 527 | — | #434 |
| 1997 | 458 | — | — | #471 |
| 1996 | 447 | — | — | #482 |
| 1995 | 451 | — | #14,755 | #486 |
| 1994 | 474 | — | — | #462 |
| 1993 | 462 | — | #12,742 | #465 |
| 1992 | 469 | — | — | #463 |
| 1991 | 506 | — | — | #441 |
| 1990 | 431 | — | — | #477 |
| 1989 | 433 | — | #13,595 | #454 |
| 1988 | 457 | — | #11,155 | #426 |
| 1987 | 459 | — | #9,352 | #410 |
| 1986 | 415 | — | — | #422 |
| 1985 | 452 | — | #11,660 | #405 |
| 1984 | 430 | — | — | #396 |
| 1983 | 436 | — | #8,576 | #388 |
| 1982 | 489 | — | #9,895 | #366 |
| 1981 | 539 | — | #9,798 | #341 |
| 1980 | 473 | — | — | #367 |
| 1979 | 484 | — | — | #362 |
| 1978 | 485 | — | #8,130 | #353 |
| 1977 | 489 | — | #10,512 | #359 |
| 1976 | 488 | — | #7,748 | #348 |
| 1975 | 523 | — | #7,599 | #336 |
| 1974 | 511 | — | — | #340 |
| 1973 | 517 | — | #6,396 | #335 |
| 1972 | 557 | — | #6,934 | #327 |
| 1971 | 658 | — | #7,009 | #302 |
| 1970 | 707 | — | #7,562 | #294 |
| 1969 | 741 | — | — | #273 |
| 1968 | 700 | — | #7,636 | #279 |
| 1967 | 775 | — | #5,229 | #262 |
| 1966 | 856 | — | — | #244 |
| 1965 | 908 | — | #6,188 | #247 |
| 1964 | 1,037 | — | #4,811 | #233 |
| 1963 | 1,022 | — | #6,252 | #237 |
| 1962 | 1,109 | — | #4,721 | #232 |
| 1961 | 1,178 | — | — | #230 |
| 1960 | 1,213 | — | #4,624 | #230 |
| 1959 | 1,443 | — | #3,929 | #202 |
| 1958 | 1,437 | — | #4,360 | #196 |
| 1957 | 1,520 | — | #4,397 | #190 |
| 1956 | 1,558 | — | #4,667 | #184 |
| 1955 | 1,585 | — | #4,243 | #175 |
| 1954 | 1,619 | — | #5,477 | #172 |
| 1953 | 1,669 | — | #3,201 | #162 |
| 1952 | 1,564 | — | #5,236 | #171 |
| 1951 | 1,663 | — | #5,843 | #156 |
| 1950 | 1,560 | — | #5,032 | #160 |
| 1949 | 1,656 | — | #3,511 | #153 |
| 1948 | 1,723 | — | #5,654 | #151 |
| 1947 | 1,813 | — | #4,188 | #147 |
| 1946 | 1,660 | — | #2,813 | #147 |
| 1945 | 1,593 | — | #2,846 | #139 |
| 1944 | 1,602 | — | #3,054 | #132 |
| 1943 | 1,705 | — | #2,964 | #133 |
| 1942 | 1,815 | — | #2,360 | #120 |
| 1941 | 1,741 | — | #2,228 | #116 |
| 1940 | 1,767 | — | #2,160 | #112 |
| 1939 | 1,856 | — | #2,260 | #108 |
| 1938 | 1,966 | — | #2,285 | #104 |
| 1937 | 2,028 | — | #2,386 | #97 |
| 1936 | 2,033 | — | #1,986 | #94 |
| 1935 | 2,155 | — | #2,376 | #92 |
| 1934 | 2,328 | — | #1,809 | #86 |
| 1933 | 2,375 | — | #1,576 | #75 |
| 1932 | 2,522 | — | #1,659 | #74 |
| 1931 | 2,739 | — | #1,155 | #69 |
| 1930 | 3,081 | — | #1,094 | #63 |
| 1929 | 3,046 | — | #1,468 | #60 |
| 1928 | 3,139 | — | #1,153 | #61 |
| 1927 | 3,594 | — | #1,006 | #55 |
| 1926 | 3,604 | — | #1,041 | #54 |
| 1925 | 3,828 | — | #1,042 | #54 |
| 1924 | 4,038 | — | #1,133 | #51 |
| 1923 | 4,024 | — | #1,071 | #49 |
| 1922 | 3,951 | — | #1,086 | #51 |
| 1921 | 4,116 | — | #1,078 | #50 |
| 1920 | 4,116 | — | #926 | #48 |
| 1919 | 3,855 | — | #992 | #49 |
| 1918 | 4,098 | — | #912 | #48 |
| 1917 | 3,830 | — | #983 | #47 |
| 1916 | 3,680 | — | #883 | #47 |
| 1915 | 3,575 | — | #960 | #47 |
| 1914 | 2,690 | — | #1,012 | #47 |
| 1913 | 2,057 | — | #1,080 | #48 |
| 1912 | 1,671 | — | #1,330 | #49 |
| 1911 | 862 | — | #1,057 | #51 |
| 1910 | 732 | — | #868 | #51 |
| 1909 | 628 | — | #951 | #49 |
| 1908 | 606 | — | #842 | #49 |
| 1907 | 667 | — | #969 | #42 |
| 1906 | 519 | — | #1,197 | #47 |
| 1905 | 526 | — | #1,042 | #46 |
| 1904 | 571 | — | #843 | #42 |
| 1903 | 647 | — | #1,105 | #38 |
| 1902 | 565 | — | #955 | #43 |
| 1901 | 468 | — | #983 | #42 |
| 1900 | 587 | — | #930 | #46 |
| 1899 | 492 | — | #1,063 | #43 |
| 1898 | 608 | — | #763 | #39 |
| 1897 | 474 | — | #955 | #46 |
| 1896 | 519 | — | #675 | #47 |
| 1895 | 516 | — | #1,369 | #42 |
| 1894 | 525 | — | #1,031 | #42 |
| 1893 | 467 | — | #675 | #45 |
| 1892 | 458 | — | #817 | #49 |
| 1891 | 361 | — | #1,056 | #51 |
| 1890 | 405 | — | #807 | #49 |
| 1889 | 333 | — | #995 | #59 |
| 1888 | 363 | — | #871 | #59 |
| 1887 | 238 | — | #1,094 | #74 |
| 1886 | 248 | — | #864 | #73 |
| 1885 | 210 | — | #679 | #83 |
| 1884 | 198 | — | #980 | #84 |
| 1883 | 142 | — | — | #95 |
| 1882 | 146 | — | — | #99 |
| 1881 | 128 | — | #790 | #103 |
| 1880 | 153 | — | #799 | #93 |