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Home › Baby Names Directory › Jax

Jax

♀ Girl

Pronounced JAKS /ˈdʒæks/High

Meaning: Jax is a punchy short form of Jackson ('son of Jack') or Jaxon, ultimately from John, 'God is gracious'. It is overwhelmingly a boys' name; used here for a girl, which we note.Low

In 30 seconds: A snappy one-beat name: Jax is short for Jackson, 'son of Jack' (said 'JAKS'). Usually a boy's — we note the lean.
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Origin MediumEnglish
MeaningJax is a punchy short form of Jackson ('son of Jack') or Jaxon, ultimately from John, 'God is gracious'. It is overwhelmingly a boys' name; used here for a girl, which we note.
U.S. rank (2024)#12663 ↘ Falling
2024 U.S. births7 girls (0.00% of U.S. girls)
Peak year2015
Total births (all-time)≈ 211

Popularity in the U.S. · SSA data

peak 201520092024

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

As a name, Jax is a modern short form of Jackson or Jaxon, 'son of Jack' — from John, 'God is gracious'. It leans heavily to boys; used here for a girl, which we note. A crisp, one-beat pick (said 'JAKS').

For girls it appears only rarely in the U.S., against far heavier boys' use. Rare, punchy, and modern.

Did you know? Jax trims Jackson to a single sharp beat, tracing back through Jack to John, 'God is gracious'. It's overwhelmingly a boys' name, which we note (said 'JAKS').
Overall data confidence 48%
References — Jax — Short form of Jackson; cross-sex, boy-leaning

Variations

JaxxJacksJaxson

Nicknames

JaxieJ

Famous Bearers

  • Famous bearers coming soon.

If you like Jax…

Jaxon— the longer name Jax shortens
Max— a like short, punchy -x pick
Lux— a like sharp one-beat name
Rex— a like crisp, modern -x choice

Explore names like Jax

By thememodernshortcross-sexunisex-lean-boy

All themes →All meanings →All origins →

Frequently Asked

What does the name Jax mean?

Jax is a short form of Jackson, 'son of Jack' — from John, 'God is gracious'.

How do you pronounce Jax?

It's said JAKS /ˈdʒæks/ — one syllable.

Is Jax a boy or girl name?

Jax is used for both, but it is usually a boy's name — we note the lean.

How popular is Jax?

Jax is a rare name for girls in the U.S. and more common for boys.

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