The baby name Cailyn appears in baby name data for the United States from 1992 to 2024. It was most popular in 2009 with 443 babies given the name.
In the later years of this period, Cailyn has become less common than it once was.
| Year | Count |
|---|---|
| 1992 | 10 |
| 1994 | 7 |
| 1995 | 44 |
| 1996 | 52 |
| 1997 | 94 |
| 1998 | 126 |
| 1999 | 142 |
| 2000 | 103 |
| 2001 | 72 |
| 2002 | 113 |
| 2003 | 147 |
| 2004 | 210 |
| 2005 | 212 |
| 2006 | 352 |
| 2007 | 299 |
| 2008 | 411 |
| 2009 | 443 |
| 2010 | 305 |
| 2011 | 311 |
| 2012 | 279 |
| 2013 | 176 |
| 2014 | 144 |
| 2015 | 169 |
| 2016 | 89 |
| 2017 | 34 |
| 2018 | 41 |
| 2019 | 17 |
| 2020 | 60 |
| 2021 | 5 |
| 2022 | 28 |
| 2023 | 10 |
| 2024 | 35 |