Cleo is an established name used for both girls and boys that peaked in 1920 and has grown less common since.
Cleo is predominantly a girl name. In 2025 it ranked #577 among girls (516) and #5,245 among boys (18) — overall #1,117 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 534 | 534 | #577 | #5,245 |
| 2024 | 516 | 516 | #607 | #4,731 |
| 2023 | 515 | 515 | #608 | #4,246 |
| 2022 | 462 | 462 | #664 | #5,478 |
| 2021 | 375 | 375 | #794 | #4,962 |
| 2020 | 319 | 319 | #882 | #5,500 |
| 2019 | 282 | 282 | #969 | #6,851 |
| 2018 | 248 | 248 | #1,109 | #4,010 |
| 2017 | 171 | 171 | #1,468 | #5,142 |
| 2016 | 164 | 164 | #1,546 | #4,982 |
| 2015 | 136 | 136 | #1,744 | #5,557 |
| 2014 | 107 | 107 | #1,986 | #9,833 |
| 2013 | 88 | 88 | #2,288 | #9,844 |
| 2012 | 140 | 140 | #1,691 | #5,518 |
| 2011 | 94 | 94 | #2,176 | #9,815 |
| 2010 | 85 | 85 | #2,408 | #9,883 |
| 2009 | 77 | 77 | #2,574 | #12,834 |
| 2008 | 61 | 61 | #3,439 | #6,461 |
| 2007 | 75 | 75 | #2,866 | #6,696 |
| 2006 | 64 | 64 | #2,945 | #10,919 |
| 2005 | 64 | 64 | #3,091 | #5,925 |
| 2004 | 57 | 57 | #3,039 | #10,191 |
| 2003 | 65 | 65 | #2,714 | #8,824 |
| 2002 | 80 | 80 | #2,334 | #6,155 |
| 2001 | 79 | 79 | #2,199 | #10,872 |
| 2000 | 82 | 82 | #2,343 | #4,617 |
| 1999 | 64 | 64 | #2,747 | #4,807 |
| 1998 | 74 | 74 | #2,315 | #4,925 |
| 1997 | 76 | — | #2,365 | #3,476 |
| 1996 | 74 | — | #2,259 | #4,212 |
| 1995 | 52 | — | #2,987 | #4,555 |
| 1994 | 55 | — | #2,887 | #4,335 |
| 1993 | 50 | — | #3,234 | #4,053 |
| 1992 | 73 | — | #2,438 | #3,240 |
| 1991 | 57 | — | #2,994 | #3,235 |
| 1990 | 66 | — | #2,915 | #2,500 |
| 1989 | 43 | — | #3,417 | #4,062 |
| 1988 | 55 | — | #3,050 | #2,623 |
| 1987 | 64 | — | #2,618 | #2,224 |
| 1986 | 64 | — | #2,520 | #2,234 |
| 1985 | 59 | — | #2,493 | #2,520 |
| 1984 | 45 | — | #3,535 | #2,308 |
| 1983 | 53 | — | #2,918 | #2,151 |
| 1982 | 56 | — | #3,436 | #1,783 |
| 1981 | 50 | — | #3,355 | #2,096 |
| 1980 | 55 | — | #3,013 | #2,068 |
| 1979 | 67 | — | #2,537 | #1,794 |
| 1978 | 71 | — | #2,693 | #1,476 |
| 1977 | 69 | — | #2,619 | #1,517 |
| 1976 | 51 | — | #3,023 | #1,836 |
| 1975 | 72 | — | #2,694 | #1,307 |
| 1974 | 64 | — | #2,073 | #1,895 |
| 1973 | 74 | — | #2,025 | #1,467 |
| 1972 | 60 | — | #2,177 | #1,778 |
| 1971 | 68 | — | #2,299 | #1,469 |
| 1970 | 66 | — | #2,404 | #1,422 |
| 1969 | 72 | — | #2,217 | #1,267 |
| 1968 | 68 | — | #1,981 | #1,400 |
| 1967 | 72 | — | #1,887 | #1,317 |
| 1966 | 104 | — | #1,534 | #1,017 |
| 1965 | 107 | — | #1,425 | #1,082 |
| 1964 | 127 | — | #1,283 | #1,048 |
| 1963 | 102 | — | #1,512 | #1,127 |
| 1962 | 120 | — | #1,237 | #1,215 |
| 1961 | 136 | — | #1,271 | #1,003 |
| 1960 | 122 | — | #1,302 | #1,084 |
| 1959 | 158 | — | #1,106 | #964 |
| 1958 | 155 | — | #1,062 | #1,009 |
| 1957 | 183 | — | #1,015 | #853 |
| 1956 | 233 | — | #830 | #778 |
| 1955 | 243 | — | #796 | #747 |
| 1954 | 226 | — | #782 | #788 |
| 1953 | 241 | — | #794 | #693 |
| 1952 | 273 | — | #689 | #673 |
| 1951 | 228 | — | #765 | #713 |
| 1950 | 256 | — | #686 | #682 |
| 1949 | 274 | — | #647 | #656 |
| 1948 | 268 | — | #643 | #674 |
| 1947 | 353 | — | #584 | #568 |
| 1946 | 333 | — | #556 | #562 |
| 1945 | 289 | — | #542 | #584 |
| 1944 | 330 | — | #494 | #566 |
| 1943 | 377 | — | #470 | #543 |
| 1942 | 432 | — | #438 | #494 |
| 1941 | 413 | — | #414 | #496 |
| 1940 | 440 | — | #384 | #495 |
| 1939 | 453 | — | #372 | #479 |
| 1938 | 565 | — | #318 | #427 |
| 1937 | 550 | — | #313 | #442 |
| 1936 | 529 | — | #333 | #412 |
| 1935 | 593 | — | #291 | #436 |
| 1934 | 654 | — | #288 | #381 |
| 1933 | 632 | — | #297 | #370 |
| 1932 | 655 | — | #294 | #397 |
| 1931 | 705 | — | #284 | #375 |
| 1930 | 723 | — | #290 | #403 |
| 1929 | 782 | — | #263 | #417 |
| 1928 | 847 | — | #263 | #377 |
| 1927 | 997 | — | #256 | #315 |
| 1926 | 1,010 | — | #240 | #346 |
| 1925 | 1,110 | — | #229 | #334 |
| 1924 | 1,209 | — | #218 | #335 |
| 1923 | 1,197 | — | #216 | #328 |
| 1922 | 1,300 | — | #202 | #329 |
| 1921 | 1,337 | — | #201 | #313 |
| 1920 | 1,399 | — | #191 | #305 |
| 1919 | 1,368 | — | #190 | #282 |
| 1918 | 1,372 | — | #197 | #279 |
| 1917 | 1,322 | — | #189 | #298 |
| 1916 | 1,350 | — | #180 | #289 |
| 1915 | 1,263 | — | #184 | #258 |
| 1914 | 887 | — | #197 | #309 |
| 1913 | 681 | — | #199 | #343 |
| 1912 | 608 | — | #204 | #311 |
| 1911 | 436 | — | #200 | #300 |
| 1910 | 429 | — | #190 | #289 |
| 1909 | 393 | — | #178 | #293 |
| 1908 | 340 | — | #191 | #310 |
| 1907 | 381 | — | #171 | #280 |
| 1906 | 290 | — | #200 | #273 |
| 1905 | 297 | — | #193 | #281 |
| 1904 | 270 | — | #195 | #313 |
| 1903 | 261 | — | #190 | #297 |
| 1902 | 231 | — | #211 | #340 |
| 1901 | 186 | — | #229 | #362 |
| 1900 | 229 | — | #226 | #404 |
| 1899 | 143 | — | #241 | #625 |
| 1898 | 154 | — | #253 | #548 |
| 1897 | 155 | — | #245 | #384 |
| 1896 | 161 | — | #237 | #369 |
| 1895 | 144 | — | #252 | #457 |
| 1894 | 129 | — | #251 | #637 |
| 1893 | 143 | — | #238 | #393 |
| 1892 | 111 | — | #273 | #498 |
| 1891 | 86 | — | #287 | #610 |
| 1890 | 93 | — | #279 | #571 |
| 1889 | 77 | — | #283 | #812 |
| 1888 | 75 | — | #296 | #583 |
| 1887 | 43 | — | #354 | #839 |
| 1886 | 50 | — | #328 | #711 |
| 1885 | 40 | — | #356 | #713 |
| 1884 | 36 | — | #367 | #874 |
| 1883 | 26 | — | #355 | — |
| 1882 | 18 | — | #436 | — |
| 1881 | 23 | — | #340 | — |
| 1880 | 22 | — | #406 | #939 |