Jax

#342 in 2025Boys' name

Short form of Jackson

Jax has been given to 25,309 babies in the U.S. since 1995. In 2025 it ranked #342 of 13,926 boys’ names in use. Its peak year was 2015, with 1,865 recorded.

Babies named Jax, 2025

1 in 3,450

Jax over time, 1880–2025

BoysGirls
05001K1.5K2K18801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Jax: meaning, origin, and history

Short form of Jackson

English

About Jax

Jax is a modern English short form of Jackson, pronounced JAKS. Its three letters compress a surname-derived name into one syllable, with an x that represents the final k and s sounds. Characters in Mortal Kombat and Sons of Anarchy helped make the form familiar well beyond its use on birth certificates.

Jackson, Jack, and John

Jackson began as an English surname meaning “son of Jack.” Jack developed from medieval familiar forms of John, so Jax belongs to a much larger name family than its short spelling might suggest.

John ultimately comes from a Hebrew name meaning “God is gracious.” The route to Jax passes through Jack and Jackson; Jax itself is a shortening, rather than an ancient Hebrew form.

Jaxon and Jaxson are longer spellings in the Jackson group, while Jaxx doubles the final letter of the short form. Jack remains a closely related one-syllable name, but its ending is different: Jax adds an audible s after the k.

Jax Briggs in Mortal Kombat

Major Jackson “Jax” Briggs appeared in Mortal Kombat II, released in arcades in 1993. The character is a member of a United States special-forces unit, with a story connected to fellow fighter Sonya Blade.

His full name makes the shortening especially clear: Jax comes from Jackson within the fictional character’s identity. The fighting-game series brought the name into a setting very different from the English surnames behind it.

The character’s later appearances helped keep Jax familiar across successive generations of players. Its compact spelling suits a game roster, where a brief name becomes closely associated with a recognizable fighter.

Jax Teller in television

Charlie Hunnam played Jackson “Jax” Teller in Sons of Anarchy, the television drama that ran from 2008 to 2014. Jax is a central member of the motorcycle club around which the series is built.

The story follows his conflicting loyalties to family, the club, and the legacy of his father. As with Jax Briggs, the character’s longer name is Jackson, providing another direct example of the nickname’s formation.

The two fictional bearers belong to separate stories and media. Together they gave Jax a particularly visible popular-culture presence during the period when its American birth-name use was growing.

Pronunciation and sound

Jax has a single syllable, rhyming with “Max.” The x represents two consonant sounds, ks, rather than the z sound heard at the beginning of some words.

Jackson adds a light second syllable, while Jack stops at the k. Jax’s distinct sound is therefore in its ending, even though all three forms share their opening and a historical connection.

The name is used independently as well as as a nickname. Its brief spelling preserves a recognizable connection to the longer forms without needing their full two-syllable rhythm.

American popularity

There were 73 boys named Jax in the United States in 2000 and 882 in 2010. Its largest annual count came in 2015, with 1,865 boys.

Its best rank was number 208 in 2014. In 2025, 961 boys received the name, placing it at number 342. That pattern shows substantial growth followed by a retreat from its mid-2010s peak.

Sources & methodologyReferences, data & attribution

Meaning, history, and cultural connections draw on the references below. Existing Wiktionary material is attributed under CC BY-SA 4.0 where applicable. American popularity figures use the local Social Security Administration exact-spelling series; counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How popular is Jax?

In 2025, Jax ranked #342 among boys in the United States, with 961 recorded uses. The U.S. birth records first list this spelling for boys in 1995; its largest annual count was 1,865 in 2015. Rankings count each spelling separately. They describe national use, so local familiarity can differ. The popularity chart shows whether the name has remained common, returned after a quieter period, or risen recently.

How common is Jax?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 3,450
961 of 3,315,165 births
Among boys only
1 in 1,780
0.06% of boys
Rank, 2025
#342
of 13,926 boys’ names in use
Coin-flip room size
2,392 kids
Even odds of a second one

Where Jax sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 1003%
School of 50013%

Put another way: gather 2,392 children born in 2025 and it's an even bet that one of them is another Jax. In a class of 30 the chance is Under 1%.

When Jaxs were born

Half of everyone ever recorded as Jax was born before 2016 — so the typical Jax is around 9 today.

Median birth year
2016
About 9 years old
Biggest decade
2010s
61.0% of all use
Born in the last 25 years
98.7%
A modern name
Recorded since 1950
25,085
People you could plausibly meet
Choose a decade

2010s — 61.0% of all recorded uses (15,305).

Is Jax rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
−29
Places dropped
Rank vs 5 years ago
−96
Places dropped
Rank vs 10 years ago
−127
Places dropped
Births vs 10 years ago
0.52×
Fewer babies than then
Share of its own peak
51.5%
Peak was 2015 (1,865)
Years since peak
10
Years
Year-to-year steadiness
Shifting
18.3% average annual change
Best rank ever
#208
2014

Where Jax is used

Across 2016–2025, Jax was most concentrated in North Dakota — about 1 in 341 boys, against 1 in 1,082 across all states with data. It was least common in District of Columbia (1 in 3,448).

29293 per 100,000

Most concentrated

  1. 1North Dakota1 in 341
  2. 2South Dakota1 in 417
  3. 3Hawaii1 in 455
  4. 4Utah1 in 521
  5. 5Idaho1 in 538
  6. 6Montana1 in 552
  7. 7Iowa1 in 617
  8. 8Louisiana1 in 671

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings.

Geographically, Jax is somewhat regional — more concentrated than 33% of the names used widely enough to compare. See the most regional names

Jax around the world

Where Jax ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    2000–2025
    #145
    in 2025
  • Scotland
    2011–2025
    #92
    in 2025
  • Northern Ireland
    2012–2025
    #114
    in 2025
  • Ireland
    2019–2025
    #272
    in 2025
  • France
    2014–2025
    #4,544
    in 2025
  • Canada
    1998–2024
    #262
    in 2024
  • South Australia
    2007–2013
    #155
    in 2013

Popularity data from Office for National Statistics, National Records of Scotland, Northern Ireland Statistics and Research Agency, Central Statistics Office, Institut national de la statistique et des études économiques, Statistics Canada and Consumer and Business Services (South Australia). ONS, NRS, NISRA data under Open Government Licence v3.0. CSO, CBS SA data under CC BY 4.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence.

Notable people named Jax

People whose public names include Jax, backed by Wikidata given-name records and ordered by linked Wikimedia pages. The name may be a middle name.

People data from Wikidata (CC0). Fame is measured, not judged — the order reflects how widely each person is documented, not the U.S. birth records popularity this page is otherwise about.

Jax by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
#342
Trend vs 5 yrs ago
Down 96
Best rank ever
#208
2014
Peak year
2015
1,865 that year
First recorded
1995
Last recorded
2025
All-time count
25,085
Count in 2025
961

As a girl's name

Rank in 2025
#8,069
Trend vs 5 yrs ago
Up 4,645
Best rank ever
#3,945
2015
Peak year
2015
38 that year
First recorded
2009
Last recorded
2025
All-time count
224
Count in 2025
13

Names similar to Jax

Matched on shared beginnings and endings, similar length, and comparable popularity.

Names with a curve like Jax

Not spelling — timing. These names rose, peaked and faded in the same years as Jax, so they read as being from the same moment even when they look nothing alike.

Sibling names for Jax

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Jax