Kierstyn is an uncommon variant of Kirsten that peaked in 2007 and has since faded.
Kierstyn is a girl name. In 2025 it ranked #8,622 for girl births in the United States (and #14,721 across all names), given to 12 babies. Kierstyn first appears in 1976 and peaked in 2007 (135 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 12 | 12 | #8,622 |
| 2024 | 8 | 8 | #11,669 |
| 2023 | 8 | 8 | #11,728 |
| 2022 | 17 | 17 | #6,860 |
| 2021 | 27 | 27 | #4,903 |
| 2020 | 23 | 23 | #5,400 |
| 2019 | 26 | 26 | #5,107 |
| 2018 | 30 | 30 | #4,622 |
| 2017 | 42 | 42 | #3,667 |
| 2016 | 35 | 35 | #4,202 |
| 2015 | 41 | 41 | #3,738 |
| 2014 | 49 | 49 | #3,302 |
| 2013 | 57 | 57 | #2,956 |
| 2012 | 53 | 53 | #3,148 |
| 2011 | 73 | 73 | #2,498 |
| 2010 | 99 | 99 | #2,021 |
| 2009 | 135 | 135 | #1,653 |
| 2008 | 117 | 117 | #1,840 |
| 2007 | 135 | 135 | #1,651 |
| 2006 | 121 | 121 | #1,729 |
| 2005 | 117 | 117 | #1,698 |
| 2004 | 132 | 132 | #1,522 |
| 2003 | 90 | 90 | #2,011 |
| 2002 | 98 | 98 | #1,833 |
| 2001 | 83 | 83 | #2,042 |
| 2000 | 92 | 92 | #1,858 |
| 1999 | 99 | 99 | #1,671 |
| 1998 | 72 | 72 | #2,057 |
| 1997 | 57 | — | #2,348 |
| 1996 | 81 | — | #1,815 |
| 1995 | 66 | — | #2,068 |
| 1994 | 54 | — | #2,392 |
| 1993 | 55 | — | #2,335 |
| 1992 | 63 | — | #2,146 |
| 1991 | 51 | — | #2,469 |
| 1990 | 48 | — | #2,502 |
| 1989 | 16 | — | #5,422 |
| 1988 | 11 | — | #6,873 |
| 1987 | 11 | — | #6,544 |
| 1986 | 12 | — | #5,961 |
| 1976 | 5 | — | #10,011 |