Masen is an uncommon variant of Mason that peaked in 2012 and has since faded.
Masen is predominantly a boy name. In 2025 it ranked #2,868 for boy births in the United States (and #6,166 across all names), given to 44 babies. Masen first appears in 1990 and peaked in 2012 (324 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 44 | 44 | — | #2,868 |
| 2024 | 51 | 51 | #16,838 | #2,817 |
| 2023 | 48 | 48 | #12,986 | #3,041 |
| 2022 | 54 | 54 | #14,699 | #2,742 |
| 2021 | 66 | 66 | — | #2,164 |
| 2020 | 97 | 97 | — | #1,651 |
| 2019 | 93 | 93 | — | #1,709 |
| 2018 | 109 | 109 | — | #1,551 |
| 2017 | 101 | 101 | — | #1,600 |
| 2016 | 146 | 146 | — | #1,258 |
| 2015 | 147 | 147 | — | #1,244 |
| 2014 | 185 | 185 | #18,285 | #1,077 |
| 2013 | 192 | 192 | — | #1,019 |
| 2012 | 330 | 330 | #16,205 | #724 |
| 2011 | 244 | 244 | — | #865 |
| 2010 | 204 | 204 | #18,863 | #991 |
| 2009 | 142 | 142 | #13,256 | #1,306 |
| 2008 | 99 | 99 | — | #1,601 |
| 2007 | 114 | 114 | — | #1,428 |
| 2006 | 110 | 110 | — | #1,423 |
| 2005 | 103 | 103 | — | #1,440 |
| 2004 | 92 | 92 | — | #1,480 |
| 2003 | 85 | 85 | #13,341 | #1,624 |
| 2002 | 74 | 74 | #11,798 | #1,759 |
| 2001 | 84 | 84 | #9,845 | #1,611 |
| 2000 | 71 | 71 | #16,661 | #1,722 |
| 1999 | 68 | 68 | #15,974 | #1,680 |
| 1998 | 47 | 47 | #10,764 | #2,298 |
| 1997 | 39 | — | #11,618 | #2,532 |
| 1996 | 25 | — | — | #2,994 |
| 1995 | 15 | — | — | #4,197 |
| 1994 | 16 | — | — | #4,030 |
| 1993 | 10 | — | — | #5,644 |
| 1992 | 11 | — | — | #5,126 |
| 1991 | 13 | — | — | #4,393 |
| 1990 | 6 | — | — | #7,761 |