Dax is an established boys' name that peaked in 2019 and remains in steady use.
Dax is predominantly a boy name. In 2025 it ranked #692 for boy births in the United States (and #1,393 across all names), given to 393 babies. Dax first appears in 1967 and peaked in 2019 (749 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 393 | 393 | — | #692 |
| 2024 | 438 | 438 | — | #641 |
| 2023 | 520 | 520 | — | #559 |
| 2022 | 702 | 702 | — | #443 |
| 2021 | 647 | 647 | — | #462 |
| 2020 | 640 | 640 | #15,700 | #469 |
| 2019 | 749 | 749 | — | #413 |
| 2018 | 662 | 662 | — | #451 |
| 2017 | 665 | 665 | — | #455 |
| 2016 | 579 | 579 | #16,896 | #518 |
| 2015 | 526 | 526 | #14,961 | #551 |
| 2014 | 450 | 450 | — | #600 |
| 2013 | 382 | 382 | — | #642 |
| 2012 | 379 | 379 | — | #634 |
| 2011 | 322 | 322 | — | #711 |
| 2010 | 293 | 293 | — | #764 |
| 2009 | 284 | 284 | — | #792 |
| 2008 | 289 | 289 | — | #769 |
| 2007 | 213 | 213 | — | #932 |
| 2006 | 163 | 163 | — | #1,081 |
| 2005 | 152 | 152 | — | #1,083 |
| 2004 | 120 | 120 | — | #1,254 |
| 2003 | 97 | 97 | — | #1,382 |
| 2002 | 101 | 101 | — | #1,319 |
| 2001 | 81 | 81 | — | #1,504 |
| 2000 | 86 | 86 | — | #1,435 |
| 1999 | 86 | 86 | — | #1,375 |
| 1998 | 58 | 58 | — | #1,745 |
| 1997 | 74 | — | — | #1,458 |
| 1996 | 50 | — | — | #1,822 |
| 1995 | 52 | — | — | #1,714 |
| 1994 | 54 | — | — | #1,672 |
| 1993 | 35 | — | — | #2,223 |
| 1992 | 36 | — | — | #2,138 |
| 1991 | 42 | — | — | #1,873 |
| 1990 | 33 | — | — | #2,185 |
| 1989 | 32 | — | — | #2,165 |
| 1988 | 46 | — | — | #1,579 |
| 1987 | 32 | — | — | #1,945 |
| 1986 | 41 | — | — | #1,598 |
| 1985 | 33 | — | — | #1,804 |
| 1984 | 33 | — | — | #1,731 |
| 1983 | 39 | — | — | #1,542 |
| 1982 | 48 | — | — | #1,366 |
| 1981 | 45 | — | — | #1,417 |
| 1980 | 62 | — | — | #1,155 |
| 1979 | 62 | — | — | #1,139 |
| 1978 | 91 | — | — | #903 |
| 1977 | 115 | — | — | #797 |
| 1976 | 102 | — | — | #828 |
| 1975 | 115 | — | — | #772 |
| 1974 | 100 | — | — | #802 |
| 1973 | 127 | — | — | #715 |
| 1972 | 99 | — | — | #805 |
| 1971 | 120 | — | — | #746 |
| 1970 | 87 | — | — | #863 |
| 1969 | 20 | — | — | #1,873 |
| 1968 | 22 | — | — | #1,702 |
| 1967 | 10 | — | — | #2,639 |