Aileen is an established girls' name that peaked in 2009 and has grown less common since.
Aileen is predominantly a girl name. In 2025 it ranked #799 for girl births in the United States (and #1,545 across all names), given to 340 babies. Aileen was first reported in SSA data in 1880 and peaked in 2009 (685 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 340 | 340 | #799 | — |
| 2024 | 391 | 391 | #720 | — |
| 2023 | 352 | 352 | #799 | — |
| 2022 | 407 | 407 | #720 | — |
| 2021 | 429 | 429 | #678 | — |
| 2020 | 404 | 404 | #696 | — |
| 2019 | 452 | 452 | #643 | — |
| 2018 | 437 | 437 | #671 | — |
| 2017 | 456 | 456 | #648 | — |
| 2016 | 500 | 500 | #602 | — |
| 2015 | 609 | 609 | #514 | — |
| 2014 | 541 | 541 | #567 | — |
| 2013 | 479 | 479 | #593 | — |
| 2012 | 603 | 603 | #506 | — |
| 2011 | 638 | 638 | #467 | #12,342 |
| 2010 | 645 | 645 | #468 | — |
| 2009 | 685 | 685 | #454 | — |
| 2008 | 650 | 650 | #486 | — |
| 2007 | 645 | 650 | #501 | — |
| 2006 | 558 | 558 | #537 | — |
| 2005 | 633 | 639 | #483 | — |
| 2004 | 568 | 568 | #510 | — |
| 2003 | 526 | 532 | #536 | — |
| 2002 | 505 | 505 | #546 | — |
| 2001 | 550 | 550 | #501 | — |
| 2000 | 501 | 510 | #526 | — |
| 1999 | 492 | 492 | #518 | — |
| 1998 | 525 | 533 | #486 | — |
| 1997 | 441 | — | #539 | — |
| 1996 | 303 | — | #703 | — |
| 1995 | 235 | — | #832 | — |
| 1994 | 247 | — | #812 | — |
| 1993 | 277 | — | #749 | — |
| 1992 | 254 | — | #794 | — |
| 1991 | 254 | — | #804 | — |
| 1990 | 230 | — | #855 | — |
| 1989 | 238 | — | #800 | — |
| 1988 | 256 | — | #731 | — |
| 1987 | 217 | — | #805 | — |
| 1986 | 252 | — | #710 | — |
| 1985 | 237 | — | #726 | — |
| 1984 | 265 | — | #660 | — |
| 1983 | 254 | — | #674 | — |
| 1982 | 214 | — | #768 | — |
| 1981 | 211 | — | #773 | — |
| 1980 | 212 | — | #778 | — |
| 1979 | 149 | — | #966 | — |
| 1978 | 159 | — | #901 | — |
| 1977 | 152 | — | #921 | — |
| 1976 | 148 | — | #891 | — |
| 1975 | 169 | — | #809 | — |
| 1974 | 190 | — | #746 | — |
| 1973 | 189 | — | #741 | — |
| 1972 | 195 | — | #726 | — |
| 1971 | 192 | — | #764 | — |
| 1970 | 238 | — | #669 | — |
| 1969 | 242 | — | #635 | — |
| 1968 | 210 | — | #666 | — |
| 1967 | 210 | — | #661 | — |
| 1966 | 211 | — | #668 | — |
| 1965 | 254 | — | #610 | — |
| 1964 | 248 | — | #648 | — |
| 1963 | 217 | — | #685 | — |
| 1962 | 245 | — | #646 | — |
| 1961 | 242 | — | #660 | — |
| 1960 | 229 | — | #670 | — |
| 1959 | 215 | — | #684 | — |
| 1958 | 203 | — | #695 | — |
| 1957 | 190 | — | #725 | — |
| 1956 | 179 | — | #721 | — |
| 1955 | 208 | — | #642 | — |
| 1954 | 188 | — | #681 | — |
| 1953 | 218 | — | #599 | — |
| 1952 | 184 | — | #657 | — |
| 1951 | 212 | — | #591 | — |
| 1950 | 160 | — | #668 | — |
| 1949 | 150 | — | #683 | — |
| 1948 | 180 | — | #616 | — |
| 1947 | 199 | — | #603 | — |
| 1946 | 185 | — | #588 | — |
| 1945 | 150 | — | #596 | — |
| 1944 | 166 | — | #565 | — |
| 1943 | 209 | — | #515 | — |
| 1942 | 136 | — | #642 | — |
| 1941 | 118 | — | #651 | — |
| 1940 | 136 | — | #596 | — |
| 1939 | 131 | — | #583 | — |
| 1938 | 144 | — | #570 | — |
| 1937 | 157 | — | #526 | — |
| 1936 | 190 | — | #466 | — |
| 1935 | 174 | — | #478 | — |
| 1934 | 212 | — | #447 | — |
| 1933 | 228 | — | #426 | — |
| 1932 | 292 | — | #383 | — |
| 1931 | 286 | — | #385 | — |
| 1930 | 343 | — | #361 | — |
| 1929 | 356 | — | #345 | — |
| 1928 | 487 | — | #302 | — |
| 1927 | 463 | — | #309 | — |
| 1926 | 534 | — | #289 | — |
| 1925 | 503 | — | #298 | — |
| 1924 | 521 | — | #291 | — |
| 1923 | 420 | — | #314 | — |
| 1922 | 453 | — | #303 | — |
| 1921 | 454 | — | #305 | — |
| 1920 | 457 | — | #305 | — |
| 1919 | 371 | — | #330 | — |
| 1918 | 357 | — | #346 | — |
| 1917 | 365 | — | #321 | — |
| 1916 | 354 | — | #324 | — |
| 1915 | 390 | — | #293 | — |
| 1914 | 298 | — | #302 | — |
| 1913 | 231 | — | #314 | — |
| 1912 | 192 | — | #326 | — |
| 1911 | 150 | — | #323 | — |
| 1910 | 123 | — | #357 | — |
| 1909 | 103 | — | #357 | — |
| 1908 | 99 | — | #361 | — |
| 1907 | 72 | — | #418 | — |
| 1906 | 99 | — | #336 | — |
| 1905 | 67 | — | #413 | — |
| 1904 | 89 | — | #346 | — |
| 1903 | 63 | — | #400 | — |
| 1902 | 86 | — | #341 | — |
| 1901 | 73 | — | #356 | — |
| 1900 | 67 | — | #407 | — |
| 1899 | 49 | — | #416 | — |
| 1898 | 48 | — | #441 | — |
| 1897 | 44 | — | #440 | — |
| 1896 | 37 | — | #478 | — |
| 1895 | 40 | — | #455 | — |
| 1894 | 40 | — | #442 | — |
| 1893 | 29 | — | #512 | — |
| 1892 | 18 | — | #685 | — |
| 1891 | 14 | — | #727 | — |
| 1890 | 13 | — | #759 | — |
| 1889 | 14 | — | #687 | — |
| 1888 | 10 | — | #837 | — |
| 1887 | 8 | — | #861 | — |
| 1886 | 7 | — | #898 | — |
| 1884 | 10 | — | #686 | — |
| 1883 | 8 | — | #692 | — |
| 1880 | 6 | — | #739 | — |