Spellings
Jax or Jaxx?
In the US in 2025, 83% of babies in this name family were spelled Jax and 17% Jaxx. Same name, slightly different impression: here are the figures for each spelling.
Ten years ago
Jax already led in 2015, with 91% of the family's births; it has 83% in 2025. All spellings together, the family went from 2,045 to 1,156 births (−43%).
| Spelling | 2015 | 2025 | Change |
|---|---|---|---|
| Jax | 1,865 | 961 | −48% |
| Jaxx | 180 | 195 | +8% |
How they sound
All of these spellings are said the same way: /ˈdʒæks/ (JAKS). So the choice is about how it looks: it is the spelling people will read on a birth card, a name tag or an email address, and the one your child will sometimes spell out.
In France
In France in 2025: Jax 5 births. The other spellings are not given there often enough to be counted.
Sources: Social Security Administration (SSA), Insee (France), 2025 data. How we calculate these figures.
Which spelling is yours?
The one-minute style quiz.