Mailyn is a rare girls' name that has climbed to its highest level yet, peaking in 2023.
Mailyn is a girl name. In 2025 it ranked #4,513 for girl births in the United States (and #7,823 across all names), given to 31 babies. Mailyn first appears in 1978 and peaked in 2023 (57 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 31 | 31 | #4,513 |
| 2024 | 46 | 46 | #3,438 |
| 2023 | 57 | 57 | #2,959 |
| 2022 | 26 | 26 | #5,116 |
| 2021 | 33 | 33 | #4,299 |
| 2020 | 31 | 31 | #4,409 |
| 2019 | 27 | 27 | #4,988 |
| 2018 | 28 | 28 | #4,846 |
| 2017 | 36 | 36 | #4,122 |
| 2016 | 29 | 29 | #4,799 |
| 2015 | 34 | 34 | #4,272 |
| 2014 | 41 | 41 | #3,761 |
| 2013 | 50 | 50 | #3,246 |
| 2012 | 44 | 44 | #3,621 |
| 2011 | 39 | 39 | #3,884 |
| 2010 | 42 | 42 | #3,726 |
| 2009 | 52 | 52 | #3,229 |
| 2008 | 38 | 38 | #4,145 |
| 2007 | 37 | 37 | #4,182 |
| 2006 | 22 | 22 | #6,047 |
| 2005 | 27 | 27 | #4,908 |
| 2004 | 33 | 33 | #4,241 |
| 2003 | 11 | 11 | #9,451 |
| 2002 | 10 | 10 | #9,972 |
| 2001 | 13 | 13 | #8,020 |
| 2000 | 11 | 11 | #8,935 |
| 1999 | 16 | 16 | #6,375 |
| 1997 | 9 | — | #9,500 |
| 1996 | 6 | — | #12,823 |
| 1995 | 9 | — | #9,227 |
| 1994 | 8 | — | #10,148 |
| 1993 | 5 | — | #14,832 |
| 1987 | 5 | — | #12,452 |
| 1984 | 8 | — | #7,842 |
| 1983 | 6 | — | #9,727 |
| 1982 | 5 | — | #11,533 |
| 1980 | 6 | — | #9,811 |
| 1978 | 5 | — | #10,724 |