Cullen is an established boys' name that peaked in 2010 and has grown less common since.
Cullen is predominantly a boy name. In 2025 it ranked #1,108 among boys (194) and #13,590 among girls (6) — overall #2,210 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 200 | 200 | #13,590 | #1,108 |
| 2024 | 189 | 189 | — | #1,127 |
| 2023 | 219 | 219 | — | #1,003 |
| 2022 | 258 | 258 | — | #901 |
| 2021 | 342 | 342 | — | #745 |
| 2020 | 370 | 370 | — | #688 |
| 2019 | 411 | 411 | — | #650 |
| 2018 | 464 | 464 | — | #590 |
| 2017 | 556 | 556 | — | #519 |
| 2016 | 529 | 529 | — | #546 |
| 2015 | 497 | 497 | #17,045 | #570 |
| 2014 | 452 | 452 | #17,165 | #604 |
| 2013 | 455 | 455 | #12,256 | #575 |
| 2012 | 482 | 482 | #12,481 | #549 |
| 2011 | 574 | 574 | #15,263 | #472 |
| 2010 | 685 | 685 | #15,410 | #413 |
| 2009 | 567 | 567 | #17,944 | #485 |
| 2008 | 283 | 283 | — | #782 |
| 2007 | 286 | 286 | — | #768 |
| 2006 | 260 | 260 | — | #792 |
| 2005 | 278 | 278 | — | #728 |
| 2004 | 270 | 270 | — | #710 |
| 2003 | 284 | 284 | — | #682 |
| 2002 | 318 | 318 | — | #619 |
| 2001 | 336 | 336 | — | #593 |
| 2000 | 369 | 369 | #13,551 | #567 |
| 1999 | 353 | 353 | — | #565 |
| 1998 | 381 | 381 | #11,390 | #535 |
| 1997 | 411 | — | #12,423 | #505 |
| 1996 | 399 | — | #10,827 | #517 |
| 1995 | 407 | — | #10,761 | #509 |
| 1994 | 301 | — | — | #597 |
| 1993 | 337 | — | — | #552 |
| 1992 | 293 | — | — | #601 |
| 1991 | 198 | — | — | #720 |
| 1990 | 166 | — | — | #787 |
| 1989 | 182 | — | #12,813 | #745 |
| 1988 | 162 | — | — | #742 |
| 1987 | 151 | — | #11,686 | #757 |
| 1986 | 122 | — | — | #822 |
| 1985 | 100 | — | — | #908 |
| 1984 | 95 | — | #10,755 | #925 |
| 1983 | 97 | — | — | #893 |
| 1982 | 89 | — | — | #954 |
| 1981 | 107 | — | #10,752 | #882 |
| 1980 | 98 | — | — | #906 |
| 1979 | 99 | — | — | #877 |
| 1978 | 77 | — | — | #983 |
| 1977 | 57 | — | — | #1,159 |
| 1976 | 77 | — | #9,590 | #981 |
| 1975 | 58 | — | — | #1,102 |
| 1974 | 82 | — | #9,043 | #926 |
| 1973 | 56 | — | — | #1,084 |
| 1972 | 36 | — | — | #1,422 |
| 1971 | 53 | — | — | #1,129 |
| 1970 | 62 | — | — | #1,035 |
| 1969 | 50 | — | — | #1,098 |
| 1968 | 39 | — | — | #1,220 |
| 1967 | 26 | — | — | #1,516 |
| 1966 | 27 | — | — | #1,485 |
| 1965 | 21 | — | — | #1,731 |
| 1964 | 33 | — | — | #1,373 |
| 1963 | 23 | — | — | #1,667 |
| 1962 | 31 | — | — | #1,406 |
| 1961 | 34 | — | — | #1,373 |
| 1960 | 39 | — | — | #1,253 |
| 1959 | 37 | — | — | #1,281 |
| 1958 | 24 | — | — | #1,603 |
| 1957 | 27 | — | — | #1,515 |
| 1956 | 33 | — | — | #1,340 |
| 1955 | 28 | — | — | #1,464 |
| 1954 | 22 | — | — | #1,636 |
| 1953 | 22 | — | — | #1,642 |
| 1952 | 17 | — | — | #1,875 |
| 1951 | 23 | — | — | #1,560 |
| 1950 | 17 | — | — | #1,832 |
| 1949 | 20 | — | — | #1,675 |
| 1948 | 23 | — | — | #1,526 |
| 1947 | 24 | — | — | #1,524 |
| 1946 | 24 | — | — | #1,443 |
| 1945 | 19 | — | — | #1,546 |
| 1944 | 17 | — | — | #1,698 |
| 1943 | 34 | — | — | #1,174 |
| 1942 | 19 | — | — | #1,639 |
| 1941 | 31 | — | — | #1,192 |
| 1940 | 20 | — | — | #1,529 |
| 1939 | 21 | — | — | #1,462 |
| 1938 | 22 | — | — | #1,447 |
| 1937 | 20 | — | — | #1,541 |
| 1936 | 12 | — | — | #2,084 |
| 1935 | 28 | — | — | #1,275 |
| 1934 | 24 | — | — | #1,394 |
| 1933 | 28 | — | — | #1,252 |
| 1932 | 20 | — | — | #1,599 |
| 1931 | 25 | — | — | #1,402 |
| 1930 | 26 | — | — | #1,437 |
| 1929 | 21 | — | — | #1,625 |
| 1928 | 28 | — | — | #1,391 |
| 1927 | 32 | — | — | #1,300 |
| 1926 | 34 | — | — | #1,246 |
| 1925 | 37 | — | — | #1,168 |
| 1924 | 29 | — | — | #1,387 |
| 1923 | 21 | — | — | #1,707 |
| 1922 | 39 | — | — | #1,146 |
| 1921 | 42 | — | — | #1,091 |
| 1920 | 25 | — | — | #1,512 |
| 1919 | 29 | — | — | #1,329 |
| 1918 | 34 | — | — | #1,198 |
| 1917 | 28 | — | — | #1,299 |
| 1916 | 30 | — | — | #1,214 |
| 1915 | 35 | — | — | #1,089 |
| 1914 | 27 | — | — | #1,106 |
| 1913 | 21 | — | — | #1,119 |
| 1912 | 17 | — | — | #1,143 |
| 1911 | 12 | — | — | #996 |
| 1910 | 10 | — | — | #1,059 |
| 1907 | 8 | — | — | #1,018 |
| 1905 | 9 | — | — | #852 |
| 1904 | 5 | — | — | #1,249 |
| 1903 | 6 | — | — | #1,036 |
| 1901 | 5 | — | — | #1,087 |
| 1899 | 5 | — | — | #1,085 |
| 1896 | 5 | — | — | #1,133 |
| 1895 | 7 | — | — | #898 |
| 1894 | 7 | — | — | #881 |
| 1891 | 5 | — | — | #1,002 |
| 1887 | 5 | — | — | #960 |
| 1883 | 6 | — | — | #816 |
| 1880 | 9 | — | — | #645 |