Leo
#148 most common boys' name of all time · #309 across all names · 99% male / 1% female · used 1880–2025
Rank among boys
#148
Rank overall
#309 of 105,966
First appeared
1880 or earlier
Years on the list
146 of 146
All-time
262,124
Since 2016
73,257
Peak year
2022 #22
Best rank
#18 2023
Girls
Boys
peak 8,325/yr
Leo is in the records from the very first year available, so it was almost certainly in use before 1880 — the data simply doesn't go back further.
Year by year
| Year | Girls | Boys | Total | Rank |
|---|---|---|---|---|
| 2025 | 23 | 8,173 | 8,196 | #19 |
| 2024 | 18 | 7,823 | 7,841 | #24 |
| 2023 | 28 | 8,160 | 8,188 | #18 |
| 2022 | 32 | 8,293 | 8,325 | #22 |
| 2021 | 32 | 7,803 | 7,835 | #31 |
| 2020 | 31 | 7,229 | 7,260 | #36 |
| 2019 | 22 | 7,504 | 7,526 | #40 |
| 2018 | 19 | 6,773 | 6,792 | #50 |
| 2017 | 17 | 5,965 | 5,982 | #62 |
| 2016 | 13 | 5,299 | 5,312 | #74 |
| 2015 | 11 | 4,603 | 4,614 | #91 |
| 2014 | 16 | 3,976 | 3,992 | #97 |
| 2013 | 9 | 3,511 | 3,520 | #112 |
| 2012 | 8 | 2,879 | 2,887 | #134 |
| 2011 | 6 | 2,250 | 2,256 | #167 |
| 2010 | — | 1,946 | 1,946 | #191 |
| 2009 | 6 | 1,802 | 1,808 | #210 |
| 2008 | 6 | 1,628 | 1,634 | #228 |
| 2007 | — | 1,531 | 1,531 | #238 |
| 2006 | — | 1,501 | 1,501 | #235 |
| 2005 | 7 | 1,275 | 1,282 | #258 |
| 2004 | 5 | 1,239 | 1,244 | #265 |
| 2003 | 8 | 1,095 | 1,103 | #285 |
| 2002 | 6 | 809 | 815 | #338 |
| 2001 | — | 736 | 736 | #360 |
| 2000 | — | 658 | 658 | #388 |
| 1999 | — | 524 | 524 | #440 |
| 1998 | — | 527 | 527 | #434 |
| 1997 | — | 458 | 458 | #471 |
| 1996 | — | 447 | 447 | #482 |
| 1995 | 5 | 446 | 451 | #485 |
| 1994 | — | 474 | 474 | #462 |
| 1993 | 6 | 456 | 462 | #463 |
| 1992 | — | 469 | 469 | #462 |
| 1991 | — | 506 | 506 | #441 |
| 1990 | — | 431 | 431 | #477 |
| 1989 | 5 | 428 | 433 | #454 |
| 1988 | 6 | 451 | 457 | #426 |
| 1987 | 7 | 452 | 459 | #410 |
| 1986 | — | 415 | 415 | #422 |
| 1985 | 5 | 447 | 452 | #404 |
| 1984 | — | 430 | 430 | #396 |
| 1983 | 7 | 429 | 436 | #387 |
| 1982 | 6 | 483 | 489 | #366 |
| 1981 | 6 | 533 | 539 | #341 |
| 1980 | — | 473 | 473 | #367 |
| 1979 | — | 484 | 484 | #362 |
| 1978 | 7 | 478 | 485 | #352 |
| 1977 | 5 | 484 | 489 | #358 |
| 1976 | 7 | 481 | 488 | #348 |
| 1975 | 7 | 516 | 523 | #336 |
| 1974 | — | 511 | 511 | #340 |
| 1973 | 8 | 509 | 517 | #335 |
| 1972 | 7 | 550 | 557 | #326 |
| 1971 | 7 | 651 | 658 | #302 |
| 1970 | 6 | 701 | 707 | #294 |
| 1969 | — | 741 | 741 | #273 |
| 1968 | 5 | 695 | 700 | #279 |
| 1967 | 8 | 767 | 775 | #262 |
| 1966 | — | 856 | 856 | #244 |
| 1965 | 6 | 902 | 908 | #247 |
| 1964 | 9 | 1,028 | 1,037 | #233 |
| 1963 | 6 | 1,016 | 1,022 | #237 |
| 1962 | 9 | 1,100 | 1,109 | #232 |
| 1961 | — | 1,178 | 1,178 | #230 |
| 1960 | 9 | 1,204 | 1,213 | #230 |
| 1959 | 11 | 1,432 | 1,443 | #202 |
| 1958 | 9 | 1,428 | 1,437 | #195 |
| 1957 | 9 | 1,511 | 1,520 | #190 |
| 1956 | 8 | 1,550 | 1,558 | #184 |
| 1955 | 9 | 1,576 | 1,585 | #175 |
| 1954 | 6 | 1,613 | 1,619 | #172 |
| 1953 | 13 | 1,656 | 1,669 | #162 |
| 1952 | 6 | 1,558 | 1,564 | #171 |
| 1951 | 5 | 1,658 | 1,663 | #156 |
| 1950 | 6 | 1,554 | 1,560 | #160 |
| 1949 | 10 | 1,646 | 1,656 | #153 |
| 1948 | 5 | 1,718 | 1,723 | #151 |
| 1947 | 8 | 1,805 | 1,813 | #147 |
| 1946 | 13 | 1,647 | 1,660 | #147 |
| 1945 | 11 | 1,582 | 1,593 | #137 |
| 1944 | 10 | 1,592 | 1,602 | #132 |
| 1943 | 11 | 1,694 | 1,705 | #133 |
| 1942 | 15 | 1,800 | 1,815 | #120 |
| 1941 | 15 | 1,726 | 1,741 | #116 |
| 1940 | 15 | 1,752 | 1,767 | #112 |
| 1939 | 14 | 1,842 | 1,856 | #108 |
| 1938 | 14 | 1,952 | 1,966 | #104 |
| 1937 | 13 | 2,015 | 2,028 | #97 |
| 1936 | 16 | 2,017 | 2,033 | #94 |
| 1935 | 13 | 2,142 | 2,155 | #92 |
| 1934 | 19 | 2,309 | 2,328 | #86 |
| 1933 | 23 | 2,352 | 2,375 | #75 |
| 1932 | 22 | 2,500 | 2,522 | #74 |
| 1931 | 39 | 2,700 | 2,739 | #69 |
| 1930 | 46 | 3,035 | 3,081 | #63 |
| 1929 | 28 | 3,018 | 3,046 | #60 |
| 1928 | 44 | 3,095 | 3,139 | #61 |
| 1927 | 58 | 3,536 | 3,594 | #55 |
| 1926 | 52 | 3,552 | 3,604 | #54 |
| 1925 | 53 | 3,775 | 3,828 | #54 |
| 1924 | 48 | 3,990 | 4,038 | #51 |
| 1923 | 51 | 3,973 | 4,024 | #49 |
| 1922 | 50 | 3,901 | 3,951 | #51 |
| 1921 | 50 | 4,066 | 4,116 | #50 |
| 1920 | 62 | 4,054 | 4,116 | #48 |
| 1919 | 53 | 3,802 | 3,855 | #49 |
| 1918 | 62 | 4,036 | 4,098 | #48 |
| 1917 | 51 | 3,779 | 3,830 | #47 |
| 1916 | 59 | 3,621 | 3,680 | #47 |
| 1915 | 48 | 3,527 | 3,575 | #47 |
| 1914 | 35 | 2,655 | 2,690 | #47 |
| 1913 | 26 | 2,031 | 2,057 | #48 |
| 1912 | 17 | 1,654 | 1,671 | #49 |
| 1911 | 18 | 844 | 862 | #51 |
| 1910 | 25 | 707 | 732 | #51 |
| 1909 | 19 | 609 | 628 | #49 |
| 1908 | 22 | 584 | 606 | #49 |
| 1907 | 16 | 651 | 667 | #42 |
| 1906 | 11 | 508 | 519 | #47 |
| 1905 | 14 | 512 | 526 | #46 |
| 1904 | 19 | 552 | 571 | #42 |
| 1903 | 11 | 636 | 647 | #37 |
| 1902 | 14 | 551 | 565 | #43 |
| 1901 | 12 | 456 | 468 | #42 |
| 1900 | 17 | 570 | 587 | #46 |
| 1899 | 10 | 482 | 492 | #43 |
| 1898 | 20 | 588 | 608 | #39 |
| 1897 | 12 | 462 | 474 | #46 |
| 1896 | 22 | 497 | 519 | #47 |
| 1895 | 7 | 509 | 516 | #41 |
| 1894 | 10 | 515 | 525 | #41 |
| 1893 | 19 | 448 | 467 | #45 |
| 1892 | 14 | 444 | 458 | #49 |
| 1891 | 8 | 353 | 361 | #51 |
| 1890 | 12 | 393 | 405 | #49 |
| 1889 | 8 | 325 | 333 | #59 |
| 1888 | 10 | 353 | 363 | #58 |
| 1887 | 6 | 232 | 238 | #73 |
| 1886 | 8 | 240 | 248 | #73 |
| 1885 | 11 | 199 | 210 | #83 |
| 1884 | 6 | 192 | 198 | #84 |
| 1883 | — | 142 | 142 | #95 |
| 1882 | — | 146 | 146 | #100 |
| 1881 | 6 | 122 | 128 | #103 |
| 1880 | 6 | 147 | 153 | #92 |