Maddilyn is a rare variant of Madelyn that peaked in 2016 and has grown less common since.
Maddilyn is a girl name. In 2025 it ranked #5,335 for girl births in the United States (and #9,256 across all names), given to 24 babies. Maddilyn first appears in 1996 and peaked in 2016 (101 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 24 | 24 | #5,335 |
| 2024 | 38 | 38 | #3,937 |
| 2023 | 39 | 39 | #3,881 |
| 2022 | 62 | 62 | #2,773 |
| 2021 | 72 | 72 | #2,475 |
| 2020 | 65 | 65 | #2,616 |
| 2019 | 81 | 81 | #2,264 |
| 2018 | 77 | 77 | #2,376 |
| 2017 | 86 | 86 | #2,214 |
| 2016 | 101 | 101 | #1,981 |
| 2015 | 97 | 97 | #2,035 |
| 2014 | 88 | 88 | #2,166 |
| 2013 | 59 | 59 | #2,888 |
| 2012 | 61 | 61 | #2,853 |
| 2011 | 68 | 68 | #2,627 |
| 2010 | 58 | 58 | #2,961 |
| 2009 | 52 | 52 | #3,228 |
| 2008 | 55 | 55 | #3,107 |
| 2007 | 41 | 41 | #3,892 |
| 2006 | 23 | 23 | #5,841 |
| 2005 | 10 | 10 | #10,628 |
| 2004 | 23 | 23 | #5,483 |
| 2003 | 14 | 14 | #7,834 |
| 2002 | 10 | 10 | #9,969 |
| 2001 | 11 | 11 | #9,122 |
| 2000 | 14 | 14 | #7,414 |
| 1999 | 7 | 7 | #12,153 |
| 1998 | 8 | 8 | #10,728 |
| 1996 | 6 | — | #12,812 |