The baby name Keilyn appears in baby name data for the United States from 1998 to 2024. It was most popular in 2020 with 48 babies given the name.
In the later years of this period, Keilyn has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1998 | 5 |
| 2001 | 5 |
| 2002 | 6 |
| 2004 | 5 |
| 2005 | 5 |
| 2006 | 28 |
| 2007 | 38 |
| 2008 | 15 |
| 2009 | 22 |
| 2010 | 19 |
| 2011 | 32 |
| 2012 | 33 |
| 2013 | 5 |
| 2014 | 10 |
| 2015 | 38 |
| 2016 | 37 |
| 2017 | 27 |
| 2018 | 7 |
| 2019 | 27 |
| 2020 | 48 |
| 2021 | 18 |
| 2022 | 16 |
| 2023 | 23 |
| 2024 | 7 |