Mattilyn is a rare variant of Madilyn that peaked in 2012 and has grown less common since.
Mattilyn is a girl name. In 2025 it ranked #7,374 for girl births in the United States (and #12,707 across all names), given to 15 babies. Mattilyn was first reported in SSA data in 1994 and peaked in 2012 (40 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 15 | 15 | #7,374 |
| 2024 | 11 | 11 | #9,349 |
| 2023 | 16 | 16 | #7,146 |
| 2022 | 27 | 27 | #4,987 |
| 2021 | 18 | 18 | #6,589 |
| 2020 | 36 | 36 | #3,980 |
| 2019 | 33 | 33 | #4,313 |
| 2018 | 20 | 20 | #6,169 |
| 2017 | 29 | 29 | #4,772 |
| 2016 | 21 | 21 | #6,115 |
| 2015 | 30 | 30 | #4,677 |
| 2014 | 35 | 35 | #4,233 |
| 2013 | 31 | 31 | #4,605 |
| 2012 | 40 | 40 | #3,889 |
| 2011 | 31 | 31 | #4,642 |
| 2010 | 29 | 29 | #4,928 |
| 2009 | 20 | 20 | #6,730 |
| 2008 | 32 | 32 | #4,724 |
| 2007 | 20 | 20 | #6,728 |
| 2006 | 16 | 16 | #7,727 |
| 2005 | 16 | 16 | #7,376 |
| 2004 | 19 | 19 | #6,415 |
| 2003 | 25 | 25 | #5,047 |
| 2002 | 21 | 21 | #5,606 |
| 2001 | 16 | 16 | #6,859 |
| 2000 | 16 | 16 | #6,695 |
| 1999 | 13 | 13 | #7,543 |
| 1998 | 11 | 11 | #8,366 |
| 1997 | 11 | — | #8,138 |
| 1994 | 8 | — | #10,177 |