Kellen is an established boys' name that peaked in 2012 and has since faded.
Kellen is predominantly a boy name. In 2025 it ranked #1,069 among boys (202) and #16,130 among girls (5) — overall #2,160 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 207 | 207 | #16,130 | #1,069 |
| 2024 | 216 | 216 | — | #1,034 |
| 2023 | 261 | 261 | #9,967 | #920 |
| 2022 | 313 | 313 | #7,844 | #831 |
| 2021 | 283 | 283 | #8,727 | #863 |
| 2020 | 304 | 304 | #8,193 | #799 |
| 2019 | 319 | 319 | #9,422 | #770 |
| 2018 | 359 | 359 | #8,897 | #699 |
| 2017 | 430 | 430 | #10,353 | #623 |
| 2016 | 456 | 456 | #7,429 | #611 |
| 2015 | 594 | 594 | #5,379 | #507 |
| 2014 | 684 | 684 | #9,263 | #444 |
| 2013 | 778 | 778 | #6,592 | #394 |
| 2012 | 954 | 954 | #6,010 | #337 |
| 2011 | 903 | 903 | #5,842 | #344 |
| 2010 | 866 | 866 | #5,327 | #359 |
| 2009 | 677 | 677 | #5,801 | #431 |
| 2008 | 651 | 651 | #6,038 | #447 |
| 2007 | 539 | 539 | #6,695 | #511 |
| 2006 | 508 | 508 | #6,246 | #525 |
| 2005 | 491 | 491 | #6,137 | #521 |
| 2004 | 512 | 512 | #3,866 | #513 |
| 2003 | 417 | 417 | #4,358 | #574 |
| 2002 | 287 | 287 | #6,540 | #680 |
| 2001 | 257 | 257 | #7,140 | #724 |
| 2000 | 288 | 288 | #5,234 | #671 |
| 1999 | 248 | 248 | #4,522 | #732 |
| 1998 | 221 | 221 | #3,974 | #799 |
| 1997 | 216 | — | #4,182 | #780 |
| 1996 | 244 | — | #3,186 | #740 |
| 1995 | 266 | — | #2,999 | #704 |
| 1994 | 208 | — | #2,773 | #832 |
| 1993 | 226 | — | #2,857 | #779 |
| 1992 | 212 | — | #2,896 | #799 |
| 1991 | 228 | — | #2,958 | #743 |
| 1990 | 261 | — | #3,847 | #659 |
| 1989 | 269 | — | #2,786 | #662 |
| 1988 | 347 | — | #2,063 | #536 |
| 1987 | 348 | — | #2,052 | #523 |
| 1986 | 369 | — | #2,091 | #493 |
| 1985 | 395 | — | #2,460 | #454 |
| 1984 | 367 | — | #3,370 | #453 |
| 1983 | 416 | — | #2,699 | #419 |
| 1982 | 448 | — | #2,427 | #412 |
| 1981 | 222 | — | #2,886 | #617 |
| 1980 | 53 | — | #7,064 | #1,439 |
| 1979 | 16 | — | #10,958 | #3,700 |
| 1978 | 5 | — | — | #6,311 |
| 1977 | 5 | — | — | #6,361 |
| 1975 | 12 | — | #7,521 | #5,914 |
| 1969 | 8 | — | #5,687 | — |
| 1968 | 5 | — | #7,547 | — |
| 1967 | 7 | — | #5,724 | — |
| 1966 | 13 | — | #6,155 | #3,384 |
| 1965 | 16 | — | #4,066 | #4,200 |
| 1963 | 17 | — | #4,390 | #3,497 |
| 1962 | 16 | — | #4,701 | #3,475 |
| 1961 | 16 | — | #4,703 | #3,519 |
| 1960 | 10 | — | — | #2,778 |
| 1959 | 9 | — | — | #2,940 |
| 1958 | 8 | — | — | #3,159 |
| 1957 | 11 | — | — | #2,565 |
| 1956 | 5 | — | — | #4,211 |
| 1955 | 5 | — | — | #4,136 |
| 1954 | 5 | — | — | #4,105 |