The baby name Kailen appears in baby name data for the United States from 1999 to 2023. It was most popular in 1999 with 15 babies given the name.
Over the period shown, Kailen has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1999 | 15 |
| 2004 | 10 |
| 2005 | 5 |
| 2007 | 15 |
| 2008 | 6 |
| 2009 | 5 |
| 2014 | 10 |
| 2018 | 6 |
| 2019 | 10 |
| 2020 | 6 |
| 2023 | 10 |