Katilyn is a rare variant of Kaitlyn that peaked in 1998 and has since faded.
Katilyn is a girl name. It last appears in U.S. records in 2019. Katilyn was first reported in SSA data in 1980 and peaked in 1998 (101 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2019 | 6 | 6 | #14,673 |
| 2018 | 5 | 5 | #16,875 |
| 2017 | 6 | 6 | #15,015 |
| 2015 | 22 | 22 | #5,934 |
| 2014 | 13 | 13 | #8,719 |
| 2013 | 26 | 26 | #5,214 |
| 2012 | 19 | 19 | #6,732 |
| 2011 | 34 | 34 | #4,301 |
| 2010 | 34 | 34 | #4,355 |
| 2009 | 38 | 38 | #4,058 |
| 2008 | 45 | 45 | #3,616 |
| 2007 | 60 | 60 | #2,974 |
| 2006 | 58 | 58 | #2,953 |
| 2005 | 48 | 48 | #3,235 |
| 2004 | 68 | 68 | #2,496 |
| 2003 | 71 | 71 | #2,356 |
| 2002 | 64 | 64 | #2,482 |
| 2001 | 86 | 86 | #1,986 |
| 2000 | 88 | 88 | #1,929 |
| 1999 | 87 | 87 | #1,840 |
| 1998 | 101 | 101 | #1,614 |
| 1997 | 96 | — | #1,646 |
| 1996 | 67 | — | #2,073 |
| 1995 | 98 | — | #1,553 |
| 1994 | 94 | — | #1,616 |
| 1993 | 96 | — | #1,595 |
| 1992 | 69 | — | #1,996 |
| 1991 | 46 | — | #2,640 |
| 1990 | 45 | — | #2,624 |
| 1989 | 47 | — | #2,460 |
| 1988 | 34 | — | #3,006 |
| 1987 | 16 | — | #4,950 |
| 1986 | 14 | — | #5,307 |
| 1985 | 11 | — | #6,233 |
| 1983 | 7 | — | #8,459 |
| 1982 | 6 | — | #9,767 |
| 1981 | 7 | — | #8,518 |
| 1980 | 6 | — | #9,635 |