Kelyn is a rare name used for both girls and boys that peaked in 2006 and has since faded.
Kelyn is predominantly a girl name. It last appears in U.S. records in 2025. Kelyn first appears in 1981 and peaked in 2006 (22 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 7 | 7 | — | #10,211 |
| 2024 | 7 | 7 | — | #10,423 |
| 2022 | 5 | 5 | — | #13,373 |
| 2021 | 7 | 7 | — | #10,290 |
| 2020 | 7 | 7 | #12,822 | — |
| 2019 | 17 | 17 | #13,126 | #7,944 |
| 2018 | 22 | 22 | #9,487 | #7,390 |
| 2017 | 18 | 18 | #11,161 | #8,514 |
| 2016 | 19 | 19 | #11,330 | #7,895 |
| 2015 | 14 | 14 | — | #6,156 |
| 2014 | 23 | 23 | #8,727 | #7,868 |
| 2013 | 26 | 26 | #8,812 | #6,453 |
| 2012 | 20 | 20 | #10,850 | #7,860 |
| 2011 | 28 | 28 | #6,986 | #7,808 |
| 2010 | 28 | 28 | #8,979 | #5,899 |
| 2009 | 26 | 26 | #7,890 | #8,018 |
| 2008 | 33 | 33 | #7,228 | #5,936 |
| 2007 | 30 | 30 | #7,912 | #6,115 |
| 2006 | 35 | 35 | #6,027 | #6,294 |
| 2005 | 28 | 28 | #9,169 | #5,167 |
| 2004 | 22 | 22 | #8,984 | #7,292 |
| 2003 | 24 | 24 | #6,754 | #9,191 |
| 2002 | 13 | 13 | #12,920 | #10,081 |
| 2001 | 27 | 27 | #6,808 | #6,244 |
| 2000 | 23 | 23 | #8,291 | #6,135 |
| 1999 | 31 | 31 | #5,785 | #5,185 |
| 1998 | 28 | 28 | #5,938 | #5,663 |
| 1997 | 21 | — | #6,333 | #8,735 |
| 1996 | 16 | — | #9,179 | #7,577 |
| 1995 | 23 | — | #7,285 | #5,338 |
| 1994 | 15 | — | #10,025 | #7,382 |
| 1993 | 16 | — | #7,783 | #9,490 |
| 1992 | 17 | — | #9,938 | #5,896 |
| 1991 | 6 | — | #12,250 | — |
| 1990 | 7 | — | #10,776 | — |
| 1989 | 9 | — | #8,371 | — |
| 1988 | 15 | — | #7,404 | #7,929 |
| 1987 | 16 | — | #6,535 | #7,585 |
| 1986 | 15 | — | #7,411 | #6,341 |
| 1985 | 8 | — | #7,918 | — |
| 1984 | 7 | — | #8,609 | — |
| 1981 | 5 | — | #11,191 | — |