Leo
#5,410 for girls in 2025, 23 births · #19 for boys in 2025, 8,173 births
Given to boys 99.2% of the time
- Peak · boys
- 2023 · 8,160 births
- Debut · boys
- 147 births
- In top 100 · boys
- 69 yrsof 146 years
- Total births · boys
- 259,988since 1880
Leo over time
Rank among boys' names. Click any year to open it.
Gaps mean fewer than 5 babies received the name that year, so the SSA doesn't publish it.
Show data table
| Year | girls | boys | ||
|---|---|---|---|---|
| rank | births | rank | births | |
| 2025 | #5,410 | 23 | #19 | 8,173 |
| 2024 | #6,394 | 18 | #24 | 7,823 |
| 2023 | #4,746 | 28 | #18 | 8,160 |
| 2022 | #4,378 | 32 | #22 | 8,293 |
| 2021 | #4,326 | 32 | #31 | 7,803 |
| 2020 | #4,358 | 31 | #36 | 7,229 |
| 2019 | #5,612 | 22 | #40 | 7,504 |
| 2018 | #6,248 | 19 | #50 | 6,773 |
| 2017 | #6,808 | 17 | #62 | 5,965 |
| 2016 | #8,393 | 13 | #74 | 5,299 |
| 2015 | #9,481 | 11 | #91 | 4,603 |
| 2014 | #7,302 | 16 | #97 | 3,976 |
| 2013 | #11,000 | 9 | #112 | 3,511 |
| 2012 | #12,199 | 8 | #134 | 2,879 |
| 2011 | #14,824 | 6 | #167 | 2,250 |
| 2010 | — | #191 | 1,946 | |
| 2009 | #15,242 | 6 | #210 | 1,802 |
| 2008 | #15,405 | 6 | #228 | 1,628 |
| 2007 | — | #238 | 1,531 | |
| 2006 | — | #235 | 1,501 | |
| 2005 | #13,010 | 7 | #258 | 1,275 |
| 2004 | #16,099 | 5 | #265 | 1,239 |
| 2003 | #11,325 | 8 | #285 | 1,095 |
| 2002 | #13,595 | 6 | #338 | 809 |
| 2001 | — | #360 | 736 | |
| 2000 | — | #388 | 658 | |
| 1999 | — | #440 | 524 | |
| 1998 | — | #434 | 527 | |
| 1997 | — | #471 | 458 | |
| 1996 | — | #482 | 447 | |
| 1995 | #13,386 | 5 | #485 | 446 |
| 1994 | — | #462 | 474 | |
| 1993 | #11,780 | 6 | #463 | 456 |
| 1992 | — | #462 | 469 | |
| 1991 | — | #441 | 506 | |
| 1990 | — | #477 | 431 | |
| 1989 | #12,362 | 5 | #454 | 428 |
| 1988 | #10,386 | 6 | #426 | 451 |
| 1987 | #8,778 | 7 | #410 | 452 |
| 1986 | — | #422 | 415 | |
| 1985 | #10,677 | 5 | #404 | 447 |
| 1984 | — | #396 | 430 | |
| 1983 | #8,047 | 7 | #387 | 429 |
| 1982 | #9,237 | 6 | #366 | 483 |
| 1981 | #9,110 | 6 | #341 | 533 |
| 1980 | — | #367 | 473 | |
| 1979 | — | #362 | 484 | |
| 1978 | #7,649 | 7 | #352 | 478 |
| 1977 | #9,652 | 5 | #358 | 484 |
| 1976 | #7,296 | 7 | #348 | 481 |
| 1975 | #7,173 | 7 | #336 | 516 |
| 1974 | — | #340 | 511 | |
| 1973 | #6,080 | 8 | #335 | 509 |
| 1972 | #6,558 | 7 | #326 | 550 |
| 1971 | #6,619 | 7 | #302 | 651 |
| 1970 | #7,070 | 6 | #294 | 701 |
| 1969 | — | #273 | 741 | |
| 1968 | #7,016 | 5 | #279 | 695 |
| 1967 | #4,982 | 8 | #261 | 767 |
| 1966 | — | #244 | 856 | |
| 1965 | #5,817 | 6 | #247 | 902 |
| 1964 | #4,636 | 9 | #233 | 1,028 |
| 1963 | #5,891 | 6 | #237 | 1,016 |
| 1962 | #4,533 | 9 | #232 | 1,100 |
| 1961 | — | #230 | 1,178 | |
| 1960 | #4,437 | 9 | #230 | 1,204 |
| 1959 | #3,827 | 11 | #202 | 1,432 |
| 1958 | #4,193 | 9 | #195 | 1,428 |
| 1957 | #4,202 | 9 | #190 | 1,511 |
| 1956 | #4,467 | 8 | #184 | 1,550 |
| 1955 | #4,069 | 9 | #175 | 1,576 |
| 1954 | #5,148 | 6 | #172 | 1,613 |
| 1953 | #3,106 | 13 | #162 | 1,656 |
| 1952 | #4,908 | 6 | #171 | 1,558 |
| 1951 | #5,414 | 5 | #156 | 1,658 |
| 1950 | #4,738 | 6 | #160 | 1,554 |
| 1949 | #3,393 | 10 | #153 | 1,646 |
| 1948 | #5,243 | 5 | #151 | 1,718 |
| 1947 | #4,007 | 8 | #147 | 1,805 |
| 1946 | #2,739 | 13 | #147 | 1,647 |
| 1945 | #2,742 | 11 | #137 | 1,582 |
| 1944 | #2,946 | 10 | #132 | 1,592 |
| 1943 | #2,861 | 11 | #133 | 1,694 |
| 1942 | #2,311 | 15 | #120 | 1,800 |
| 1941 | #2,190 | 15 | #116 | 1,726 |
| 1940 | #2,109 | 15 | #112 | 1,752 |
| 1939 | #2,206 | 14 | #108 | 1,842 |
| 1938 | #2,225 | 14 | #104 | 1,952 |
| 1937 | #2,317 | 13 | #97 | 2,015 |
| 1936 | #1,950 | 16 | #94 | 2,017 |
| 1935 | #2,305 | 13 | #92 | 2,142 |
| 1934 | #1,771 | 19 | #86 | 2,309 |
| 1933 | #1,552 | 23 | #75 | 2,352 |
| 1932 | #1,634 | 22 | #74 | 2,500 |
| 1931 | #1,148 | 39 | #69 | 2,700 |
| 1930 | #1,084 | 46 | #63 | 3,035 |
| 1929 | #1,447 | 28 | #60 | 3,018 |
| 1928 | #1,147 | 44 | #61 | 3,095 |
| 1927 | #1,000 | 58 | #55 | 3,536 |
| 1926 | #1,032 | 52 | #54 | 3,552 |
| 1925 | #1,037 | 53 | #54 | 3,775 |
| 1924 | #1,123 | 48 | #51 | 3,990 |
| 1923 | #1,065 | 51 | #49 | 3,973 |
| 1922 | #1,078 | 50 | #51 | 3,901 |
| 1921 | #1,072 | 50 | #50 | 4,066 |
| 1920 | #921 | 62 | #48 | 4,054 |
| 1919 | #984 | 53 | #49 | 3,802 |
| 1918 | #910 | 62 | #48 | 4,036 |
| 1917 | #978 | 51 | #47 | 3,779 |
| 1916 | #882 | 59 | #47 | 3,621 |
| 1915 | #958 | 48 | #47 | 3,527 |
| 1914 | #1,003 | 35 | #47 | 2,655 |
| 1913 | #1,067 | 26 | #48 | 2,031 |
| 1912 | #1,297 | 17 | #49 | 1,654 |
| 1911 | #1,031 | 18 | #51 | 844 |
| 1910 | #859 | 25 | #51 | 707 |
| 1909 | #935 | 19 | #49 | 609 |
| 1908 | #829 | 22 | #49 | 584 |
| 1907 | #945 | 16 | #42 | 651 |
| 1906 | #1,154 | 11 | #47 | 508 |
| 1905 | #1,011 | 14 | #46 | 512 |
| 1904 | #837 | 19 | #42 | 552 |
| 1903 | #1,076 | 11 | #37 | 636 |
| 1902 | #936 | 14 | #43 | 551 |
| 1901 | #961 | 12 | #42 | 456 |
| 1900 | #917 | 17 | #46 | 570 |
| 1899 | #1,034 | 10 | #43 | 482 |
| 1898 | #750 | 20 | #39 | 588 |
| 1897 | #931 | 12 | #46 | 462 |
| 1896 | #670 | 22 | #47 | 497 |
| 1895 | #1,299 | 7 | #41 | 509 |
| 1894 | #998 | 10 | #41 | 515 |
| 1893 | #662 | 19 | #45 | 448 |
| 1892 | #796 | 14 | #49 | 444 |
| 1891 | #1,006 | 8 | #51 | 353 |
| 1890 | #791 | 12 | #49 | 393 |
| 1889 | #950 | 8 | #59 | 325 |
| 1888 | #837 | 10 | #57 | 353 |
| 1887 | #1,036 | 6 | #73 | 232 |
| 1886 | #828 | 8 | #73 | 240 |
| 1885 | #658 | 11 | #83 | 199 |
| 1884 | #930 | 6 | #84 | 192 |
| 1883 | — | #95 | 142 | |
| 1882 | — | #99 | 146 | |
| 1881 | #740 | 6 | #103 | 122 |
| 1880 | #738 | 6 | #92 | 147 |
In the first year the SSA published name data, Leo was already there! It came in at #92, and was given to 147 baby boys.
Quietest stretch: 1880–1883, when fewer than 150 boys a year got the name.
See more about Leo
- 5 spots since 2024 (#24 → #19)
- 17 spots since 2020 (#36 → #19)
- 72 spots since 2015 (#91 → #19)
- Biggest jump: 53 spots in 2003 (#338 → #285)
- Biggest drop: 28 spots in 1960 (#202 → #230)
- Debuted 1880
- Peaked 2023 at #18 (8,160 births)
- Not yet halved from its peak
- Top 10: never
- Top 100: 69 yrs · run 1882–1937
- Top 1,000: 146 yrs · run 1880–2025
- Highest: 1 in 187 boys born in 1903 were named Leo (0.53%)
- Latest: 1 in 209 boys born in 2025 (0.48%)
- Its best rank, #18 in 2023, was only 1 in 210 (0.48%) — a smaller share of a much bigger birth year
- 18.3% of all boys named Leo (47,481) were born in this decade
- Comeback: #37 (1903) → #485 (1995) → #18 (2023)
Show by decade
| Decade | Births | Best rank | Avg rank |
|---|---|---|---|
| 1880s | 2,098 | #57 (1888) | #82 |
| 1890s | 4,691 | #39 (1898) | #45 |
| 1900s | 5,629 | #37 (1903) | #44 |
| 1910s | 26,656 | #47 (1917) | #48 |
| 1920s | 36,960 | #48 (1920) | #53 |
| 1930s | 22,864 | #63 (1930) | #86 |
| 1940s | 16,962 | #112 (1940) | #135 |
| 1950s | 15,536 | #156 (1951) | #177 |
| 1960s | 9,487 | #230 (1960) | #247 |
| 1970s | 5,365 | #294 (1970) | #335 |
| 1980s | 4,541 | #341 (1981) | #397 |
| 1990s | 4,738 | #434 (1998) | #462 |
| 2000s | 12,274 | #210 (2009) | #281 |
| 2010s | 44,706 | #40 (2019) | #102 |
| 2020s | 47,481 | #18 (2023) | #25 |
All figures count published births only (names given to at least 5 boys in a year). Registrations before 1937 are incomplete, so early shares and totals run low.
Leo in 1978
Top girls' names in 1978
Top boys' names in 1978
More about 1978
girls
1,531,859 girls got a published name in 1978; 1 in 218,837 of them was named Leo, which outranked 33.3% of the 11,475 girls' names that year. The ten most popular names covered 16.5% of girls (24.6% in 1880, 7.0% in 2025).
boys
1,641,837 boys got a published name in 1978; 1 in 3,435 of them was named Leo, which outranked 94.8% of the 6,762 boys' names that year. The ten most popular names covered 24.6% of boys (44.2% in 1880, 8.0% in 2025).
Tied names share a rank, as in SSA's lists.
Among names in the top 1,000 of either year.