The baby name Irelyn appears in baby name data for the United States from 2004 to 2024. It was most popular in 2008 with 146 babies given the name.
In the later years of this period, Irelyn has become less common than it once was.
| Year | Count |
|---|---|
| 2004 | 10 |
| 2007 | 5 |
| 2008 | 146 |
| 2009 | 22 |
| 2010 | 38 |
| 2011 | 15 |
| 2013 | 36 |
| 2014 | 15 |
| 2015 | 13 |
| 2016 | 13 |
| 2019 | 5 |
| 2020 | 50 |
| 2021 | 12 |
| 2022 | 5 |
| 2023 | 10 |
| 2024 | 5 |