Jax is an established boys' name that peaked in 2015 and has grown less common since.
Jax is predominantly a boy name. In 2025 it ranked #342 among boys (961) and #8,071 among girls (13) — overall #667 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 974 | 974 | #8,071 | #342 |
| 2024 | 1,102 | 1,102 | #12,711 | #313 |
| 2023 | 1,175 | 1,175 | #7,810 | #287 |
| 2022 | 1,289 | 1,289 | #6,837 | #271 |
| 2021 | 1,466 | 1,466 | #9,218 | #243 |
| 2020 | 1,431 | 1,431 | #12,719 | #246 |
| 2019 | 1,615 | 1,615 | #7,506 | #237 |
| 2018 | 1,780 | 1,780 | #8,330 | #214 |
| 2017 | 1,737 | 1,737 | #9,012 | #222 |
| 2016 | 1,834 | 1,834 | #6,062 | #215 |
| 2015 | 1,903 | 1,903 | #3,946 | #215 |
| 2014 | 1,866 | 1,866 | #9,805 | #208 |
| 2013 | 1,694 | 1,694 | #11,397 | #222 |
| 2012 | 1,132 | 1,132 | #11,661 | #305 |
| 2011 | 1,000 | 1,000 | #10,710 | #321 |
| 2010 | 893 | 893 | #10,065 | #348 |
| 2009 | 681 | 681 | #16,063 | #426 |
| 2008 | 343 | 343 | — | #693 |
| 2007 | 262 | 262 | — | #816 |
| 2006 | 183 | 183 | — | #1,005 |
| 2005 | 174 | 174 | — | #993 |
| 2004 | 162 | 162 | — | #1,015 |
| 2003 | 117 | 117 | — | #1,240 |
| 2002 | 90 | 90 | — | #1,438 |
| 2001 | 84 | 84 | — | #1,467 |
| 2000 | 73 | 73 | — | #1,620 |
| 1999 | 89 | 89 | — | #1,348 |
| 1998 | 74 | 74 | — | #1,493 |
| 1997 | 59 | — | — | #1,680 |
| 1996 | 22 | — | — | #3,247 |
| 1995 | 5 | — | — | #9,470 |