Maddex is a rare variant of Maddox that peaked in 2012 and has grown less common since.
Maddex is predominantly a boy name. In 2025 it ranked #3,417 for boy births in the United States (and #7,360 across all names), given to 34 babies. Maddex first appears in 2003 and peaked in 2012 (138 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 34 | 34 | — | #3,417 |
| 2024 | 37 | 37 | — | #3,253 |
| 2023 | 45 | 45 | — | #2,829 |
| 2022 | 70 | 70 | #16,784 | #2,229 |
| 2021 | 77 | 77 | #14,574 | #2,071 |
| 2020 | 70 | 70 | — | #2,036 |
| 2019 | 82 | 82 | #17,064 | #1,925 |
| 2018 | 81 | 81 | — | #1,865 |
| 2017 | 96 | 96 | #17,438 | #1,723 |
| 2016 | 96 | 96 | — | #1,659 |
| 2015 | 104 | 104 | — | #1,562 |
| 2014 | 123 | 123 | — | #1,385 |
| 2013 | 129 | 129 | #15,786 | #1,375 |
| 2012 | 145 | 145 | #14,428 | #1,277 |
| 2011 | 115 | 115 | — | #1,436 |
| 2010 | 116 | 116 | — | #1,437 |
| 2009 | 98 | 98 | — | #1,622 |
| 2008 | 90 | 90 | — | #1,700 |
| 2007 | 49 | 49 | — | #2,553 |
| 2006 | 45 | 45 | — | #2,644 |
| 2005 | 42 | 42 | #15,676 | #2,936 |
| 2004 | 27 | 27 | — | #3,508 |
| 2003 | 13 | 13 | — | #5,764 |