Eilyn is a very rare variant of Eileen that has climbed to its highest level yet, peaking in 2025.
Eilyn is a girl name. In 2025 it ranked #4,585 for girl births in the United States (and #7,939 across all names), given to 30 babies. Eilyn first appears in 2001 and peaked in 2025 (30 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 30 | 30 | #4,585 |
| 2024 | 28 | 28 | #4,803 |
| 2023 | 22 | 22 | #5,603 |
| 2022 | 15 | 15 | #7,373 |
| 2021 | 11 | 11 | #9,143 |
| 2020 | 12 | 12 | #8,542 |
| 2019 | 12 | 12 | #8,727 |
| 2018 | 14 | 14 | #7,883 |
| 2017 | 11 | 11 | #9,495 |
| 2016 | 17 | 17 | #6,999 |
| 2015 | 13 | 13 | #8,597 |
| 2014 | 13 | 13 | #8,605 |
| 2013 | 8 | 8 | #12,322 |
| 2012 | 14 | 14 | #8,324 |
| 2011 | 8 | 8 | #12,498 |
| 2010 | 7 | 7 | #13,891 |
| 2009 | 7 | 7 | #14,122 |
| 2008 | 7 | 7 | #14,271 |
| 2007 | 13 | 13 | #9,164 |
| 2006 | 7 | 7 | #14,009 |
| 2003 | 11 | 11 | #9,226 |
| 2001 | 5 | 5 | #16,059 |