The baby name Katelyn appears in baby name data for the United States from 1977 to 2024. It was most popular in 1998 with 7,067 babies given the name.
Over the period shown, Katelyn has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1977 | 10 |
| 1978 | 15 |
| 1979 | 39 |
| 1980 | 111 |
| 1981 | 92 |
| 1982 | 202 |
| 1983 | 382 |
| 1984 | 678 |
| 1985 | 1,616 |
| 1986 | 2,168 |
| 1987 | 2,611 |
| 1988 | 4,291 |
| 1989 | 5,026 |
| 1989 | 5 |
| 1990 | 5,148 |
| 1991 | 5,819 |
| 1992 | 6,092 |
| 1993 | 6,839 |
| 1994 | 6,939 |
| 1995 | 6,586 |
| 1996 | 6,457 |
| 1997 | 6,257 |
| 1998 | 7,067 |
| 1999 | 5,924 |
| 2000 | 6,503 |
| 2001 | 5,843 |
| 2002 | 5,637 |
| 2003 | 5,270 |
| 2004 | 6,483 |
| 2004 | 46 |
| 2005 | 6,369 |
| 2006 | 6,108 |
| 2007 | 5,350 |
| 2008 | 4,589 |
| 2009 | 3,763 |
| 2010 | 3,107 |
| 2011 | 3,226 |
| 2012 | 2,770 |
| 2013 | 2,115 |
| 2014 | 1,940 |
| 2015 | 1,507 |
| 2016 | 1,019 |
| 2017 | 829 |
| 2018 | 593 |
| 2019 | 615 |
| 2020 | 376 |
| 2021 | 345 |
| 2022 | 293 |
| 2023 | 316 |
| 2024 | 293 |