Kaileen is a rare variant of Kailyn that peaked in 2022 and has grown less common since.
Kaileen is a girl name. In 2025 it ranked #4,299 for girl births in the United States (and #7,485 across all names), given to 33 babies. Kaileen first appears in 1976 and peaked in 2022 (83 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 33 | 33 | #4,299 |
| 2024 | 26 | 26 | #5,079 |
| 2023 | 54 | 54 | #3,059 |
| 2022 | 83 | 83 | #2,263 |
| 2021 | 46 | 46 | #3,414 |
| 2020 | 8 | 8 | #11,582 |
| 2019 | 6 | 6 | #14,632 |
| 2018 | 9 | 9 | #10,973 |
| 2017 | 10 | 10 | #10,314 |
| 2016 | 8 | 8 | #12,285 |
| 2015 | 11 | 11 | #9,782 |
| 2014 | 22 | 22 | #5,887 |
| 2013 | 17 | 17 | #7,203 |
| 2012 | 13 | 13 | #8,872 |
| 2011 | 26 | 26 | #5,283 |
| 2010 | 20 | 20 | #6,499 |
| 2009 | 19 | 19 | #6,931 |
| 2008 | 26 | 26 | #5,506 |
| 2007 | 16 | 16 | #7,900 |
| 2006 | 23 | 23 | #5,810 |
| 2005 | 24 | 24 | #5,350 |
| 2004 | 26 | 26 | #4,997 |
| 2003 | 18 | 18 | #6,433 |
| 2002 | 15 | 15 | #7,229 |
| 2001 | 13 | 13 | #7,956 |
| 2000 | 13 | 13 | #7,785 |
| 1999 | 23 | 23 | #4,796 |
| 1998 | 24 | 24 | #4,553 |
| 1997 | 17 | — | #5,736 |
| 1996 | 24 | — | #4,379 |
| 1995 | 24 | — | #4,274 |
| 1994 | 22 | — | #4,605 |
| 1993 | 21 | — | #4,730 |
| 1992 | 22 | — | #4,602 |
| 1991 | 12 | — | #7,155 |
| 1990 | 12 | — | #7,070 |
| 1989 | 16 | — | #5,405 |
| 1988 | 16 | — | #5,155 |
| 1987 | 12 | — | #6,091 |
| 1986 | 8 | — | #8,062 |
| 1985 | 11 | — | #6,215 |
| 1983 | 8 | — | #7,604 |
| 1976 | 10 | — | #5,777 |