The baby name Jailynn appears in baby name data for the United States from 1998 to 2024. It was most popular in 2007 with 130 babies given the name.
In the later years of this period, Jailynn has become less common than it once was.
| Year | Count |
|---|---|
| 1998 | 5 |
| 2000 | 41 |
| 2001 | 24 |
| 2002 | 17 |
| 2003 | 51 |
| 2004 | 48 |
| 2005 | 63 |
| 2006 | 87 |
| 2007 | 130 |
| 2008 | 129 |
| 2009 | 85 |
| 2010 | 71 |
| 2011 | 57 |
| 2012 | 43 |
| 2013 | 44 |
| 2014 | 28 |
| 2015 | 56 |
| 2016 | 55 |
| 2017 | 32 |
| 2018 | 6 |
| 2019 | 24 |
| 2020 | 34 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 24 |
| 2024 | 15 |