Dax

A Old French name gently fading from the charts.

Boy's name| Also girlsOld FrenchDeclining Also a pet name
#636 77in 2024

Meaning & Origin

A commune of Landes department, Nouvelle-Aquitaine, France.

Dax is a boy's and girl's baby name of Old French origin, from the name of the ancient spa town of Dax in southwestern France — from the Latin Aquae Tarbellicae or possibly a shortened form of the regional name. As a given name, Dax is a modern creation that gained traction in the late 20th century.

Dax has a snappy, futuristic quality — three letters with a punchy X ending that feels both retro-sci-fi and completely contemporary. Star Trek: Deep Space Nine's Jadzia Dax introduced the name to sci-fi fans. Actor Dax Shepard has kept it in the celebrity orbit. For a short, strong, utterly distinctive name, Dax is hard to beat.

About the Name Dax

Jack LinBy Jack Lin··2 min read

Dax peaked in 2019 and holds rank #636 with 11,524 total SSA bearers. Three letters, one syllable, an X at the end — Dax is maximum efficiency in name form. It belongs to a specific tribe of one-syllable X-ending names that have been climbing steadily for a decade, and it carries both French geographic roots and American celebrity energy.

A Town in Southwest France

Dax is a commune in the Landes department of southwestern France, known since Roman times for its thermal springs. The Latin name was Aquae Tarbellicae; the modern Dax comes from the Gascon evolution of that Latin base. As a given name, Dax was essentially an American invention — the geographic name transferred to personal use primarily in the United States in the late twentieth century, with the French town providing a legitimizing background rather than the driving force behind the name.

Dax Shepard and Celebrity Currency

Actor and podcast host Dax Shepard is the name's most prominent American bearer and likely played a meaningful role in its visibility during its peak period. The Armchair Expert podcast, launched in 2018, brought Shepard into cultural conversations just as Dax was hitting its peak year. That timing — celebrity visibility aligning with peak usage — is a pattern repeated across many contemporary names. Shepard's personal brand (funny, vulnerable, recovery-oriented) gives the name associations that go beyond just recognizability.

X Ending, Clean Impact

The X ending gives Dax a hard stop that most one-syllable names lack. Max, Jax, Rex, Hex , X-ending names have a percussive quality that reads energetic and decisive. For parents who love Max but want something less common, or who are drawn to the Jax sound but prefer a shorter form, Dax sits at a productive intersection. At 11,524 total bearers, it's established without being saturated.

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Popularity Over Time

Dax climbed 618 spots in the last 20 years — from #1254 to #636.

0187375562749198020002024

Popularity by Decade

Decade-by-decade popularity data for Dax
DecadeBirthsTrend
2020s2,940
2010s4,996
2000s1,586
1990s520
1980s411
1970s1,019
1960s52

Year-by-Year Data

View complete yearly data(58 years, 19672024)
Year-by-year popularity data for the name Dax
YearBirthsRank
2024438#636
2023520#559
2022701#443
2021647#462
2020634#469
2019749#413
2018662#451
2017665#455
2016574#518
2015520#551
2014450#600
2013382#642
2012379#634
2011322#711
2010293#764
2009284#792
2008289#769
2007213#932
2006163#1081
2005152#1083

Source: U.S. Social Security Administration. Showing years with 5+ recorded births.

Dax as a Girl's Name

While overwhelmingly a boy's name, Dax has also been given to 16 girls in the U.S. since 2015.

Unranked
Current rank
16
Total births
2015
Peak year
Compare Dax as boy vs girl

Frequently Asked

Can Dax be used for both boys and girls?
Yes, Dax is used for both boys and girls. As a boy's name, it currently ranks #636. As a girl's name, it is not currently in the top rankings.

Dax has two lives

Dax, the baby name
#636boys
11,524 babies
Currently viewing
Dax, the pet name
#1408pet name
76 pets
View pet page →

Last updated May 2026 · Data: U.S. Social Security Administration (19672024) · Methodology