Kaylynn is an established girls' name that peaked in 2009 and has since faded.
Kaylynn is predominantly a girl name. In 2025 it ranked #1,576 for girl births in the United States (and #2,905 across all names), given to 134 babies. Kaylynn was first reported in SSA data in 1947 and peaked in 2009 (590 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 134 | 134 | #1,576 | — |
| 2024 | 140 | 140 | #1,532 | — |
| 2023 | 167 | 167 | #1,353 | — |
| 2022 | 167 | 167 | #1,379 | — |
| 2021 | 166 | 166 | #1,339 | — |
| 2020 | 216 | 216 | #1,118 | — |
| 2019 | 247 | 247 | #1,040 | — |
| 2018 | 252 | 252 | #1,028 | — |
| 2017 | 257 | 257 | #1,011 | — |
| 2016 | 313 | 313 | #895 | — |
| 2015 | 380 | 380 | #740 | — |
| 2014 | 447 | 447 | #640 | — |
| 2013 | 470 | 470 | #600 | — |
| 2012 | 459 | 459 | #621 | — |
| 2011 | 496 | 496 | #582 | — |
| 2010 | 512 | 512 | #570 | — |
| 2009 | 590 | 590 | #513 | — |
| 2008 | 580 | 580 | #528 | — |
| 2007 | 502 | 502 | #599 | — |
| 2006 | 464 | 464 | #624 | — |
| 2005 | 416 | 416 | #677 | #12,413 |
| 2004 | 418 | 418 | #656 | — |
| 2003 | 349 | 349 | #735 | — |
| 2002 | 301 | 301 | #783 | — |
| 2001 | 319 | 319 | #753 | — |
| 2000 | 307 | 307 | #750 | — |
| 1999 | 288 | 288 | #770 | — |
| 1998 | 281 | 281 | #767 | — |
| 1997 | 289 | — | #738 | — |
| 1996 | 254 | — | #808 | — |
| 1995 | 248 | — | #802 | — |
| 1994 | 226 | — | #866 | — |
| 1993 | 232 | — | #844 | — |
| 1992 | 206 | — | #943 | — |
| 1991 | 180 | — | #1,025 | — |
| 1990 | 118 | — | #1,350 | — |
| 1989 | 132 | — | #1,222 | — |
| 1988 | 111 | — | #1,308 | — |
| 1987 | 78 | — | #1,599 | — |
| 1986 | 49 | — | #2,158 | — |
| 1985 | 36 | — | #2,678 | — |
| 1984 | 25 | — | #3,369 | — |
| 1983 | 36 | — | #2,530 | — |
| 1982 | 20 | — | #3,946 | — |
| 1981 | 19 | — | #4,070 | — |
| 1980 | 20 | — | #3,912 | — |
| 1979 | 20 | — | #3,829 | — |
| 1978 | 11 | — | #5,730 | — |
| 1977 | 17 | — | #4,132 | — |
| 1976 | 11 | — | #5,377 | — |
| 1975 | 16 | — | #4,023 | — |
| 1974 | 13 | — | #4,581 | — |
| 1973 | 11 | — | #5,031 | — |
| 1972 | 11 | — | #4,927 | — |
| 1971 | 12 | — | #4,672 | — |
| 1970 | 22 | — | #3,065 | — |
| 1969 | 11 | — | #4,567 | — |
| 1968 | 13 | — | #3,885 | — |
| 1967 | 10 | — | #4,439 | — |
| 1966 | 20 | — | #2,803 | — |
| 1965 | 15 | — | #3,330 | — |
| 1964 | 18 | — | #3,046 | — |
| 1963 | 13 | — | #3,712 | — |
| 1962 | 11 | — | #4,130 | — |
| 1961 | 15 | — | #3,393 | — |
| 1960 | 14 | — | #3,438 | — |
| 1959 | 14 | — | #3,338 | — |
| 1958 | 9 | — | #4,342 | — |
| 1957 | 8 | — | #4,709 | — |
| 1956 | 6 | — | #5,606 | — |
| 1953 | 6 | — | #5,357 | — |
| 1948 | 5 | — | #5,623 | — |
| 1947 | 8 | — | #4,169 | — |