Kaitlyn was a very popular girls' name that peaked at #30 in 2000 but is far less common today.
Kaitlyn is predominantly a girl name. In 2025 it ranked #802 for girl births in the United States (and #1,549 across all names), given to 340 babies. Kaitlyn first appears in 1971 and peaked in 2000 (8,759 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 340 | 340 | #802 | — |
| 2024 | 453 | 453 | #650 | — |
| 2023 | 483 | 483 | #619 | — |
| 2022 | 470 | 470 | #630 | — |
| 2021 | 520 | 520 | #583 | — |
| 2020 | 624 | 624 | #488 | — |
| 2019 | 701 | 701 | #444 | — |
| 2018 | 805 | 805 | #386 | — |
| 2017 | 938 | 938 | #346 | — |
| 2016 | 999 | 999 | #331 | — |
| 2015 | 1,663 | 1,663 | #197 | — |
| 2014 | 2,060 | 2,065 | #160 | — |
| 2013 | 2,379 | 2,379 | #134 | — |
| 2012 | 2,601 | 2,601 | #118 | — |
| 2011 | 2,908 | 2,908 | #100 | — |
| 2010 | 3,303 | 3,303 | #90 | — |
| 2009 | 4,212 | 4,212 | #67 | #13,473 |
| 2008 | 5,126 | 5,131 | #53 | #8,656 |
| 2007 | 5,560 | 5,560 | #44 | #8,565 |
| 2006 | 6,085 | 6,091 | #41 | #7,179 |
| 2005 | 6,526 | 6,532 | #34 | #12,368 |
| 2004 | 7,023 | 7,023 | #33 | #2,926 |
| 2003 | 7,558 | 7,569 | #32 | #6,496 |
| 2002 | 7,988 | 7,988 | #32 | #8,924 |
| 2001 | 8,172 | 8,177 | #31 | #7,929 |
| 2000 | 8,771 | 8,771 | #30 | #5,743 |
| 1999 | 8,168 | 8,173 | #33 | #6,270 |
| 1998 | 7,945 | 7,945 | #35 | #7,202 |
| 1997 | 7,015 | — | #41 | #5,870 |
| 1996 | 7,248 | — | #40 | #7,546 |
| 1995 | 7,393 | — | #42 | #6,680 |
| 1994 | 6,692 | — | #48 | #8,278 |
| 1993 | 6,962 | — | #46 | #8,141 |
| 1992 | 7,494 | — | #42 | #4,224 |
| 1991 | 4,414 | — | #82 | #6,903 |
| 1990 | 4,318 | — | #78 | #7,630 |
| 1989 | 3,401 | — | #95 | #5,386 |
| 1988 | 2,698 | — | #106 | #4,604 |
| 1987 | 1,711 | — | #163 | #7,559 |
| 1986 | 1,214 | — | #219 | #5,644 |
| 1985 | 886 | — | #284 | #5,452 |
| 1984 | 449 | — | #466 | — |
| 1983 | 274 | — | #632 | — |
| 1982 | 138 | — | #1,047 | — |
| 1981 | 92 | — | #1,356 | — |
| 1980 | 65 | — | #1,727 | — |
| 1979 | 29 | — | #2,960 | — |
| 1978 | 15 | — | #4,535 | — |
| 1977 | 14 | — | #4,765 | — |
| 1976 | 6 | — | #8,587 | — |
| 1975 | 7 | — | #7,502 | — |
| 1971 | 5 | — | #8,872 | — |