Keirstyn is a rare girls' name that peaked in 2008 and has since faded.
Keirstyn is a girl name. It last appears in U.S. records in 2019. Keirstyn was first reported in SSA data in 1990 and peaked in 2008 (27 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2019 | 5 | 5 | #16,791 |
| 2014 | 8 | 8 | #12,514 |
| 2013 | 8 | 8 | #12,595 |
| 2012 | 7 | 7 | #14,258 |
| 2011 | 10 | 10 | #10,790 |
| 2010 | 16 | 16 | #7,718 |
| 2009 | 21 | 21 | #6,428 |
| 2008 | 27 | 27 | #5,366 |
| 2007 | 23 | 23 | #5,999 |
| 2006 | 23 | 23 | #5,824 |
| 2005 | 23 | 23 | #5,524 |
| 2004 | 19 | 19 | #6,364 |
| 2003 | 10 | 10 | #10,051 |
| 2002 | 18 | 18 | #6,271 |
| 2001 | 24 | 24 | #4,915 |
| 2000 | 13 | 13 | #7,805 |
| 1999 | 13 | 13 | #7,468 |
| 1998 | 13 | 13 | #7,326 |
| 1997 | 16 | — | #6,026 |
| 1996 | 12 | — | #7,358 |
| 1995 | 20 | — | #4,932 |
| 1994 | 9 | — | #9,208 |
| 1993 | 9 | — | #9,114 |
| 1992 | 10 | — | #8,402 |
| 1991 | 7 | — | #10,833 |
| 1990 | 5 | — | #14,052 |