
The short answer
Jax is a masculine name used in English. Behind the Name describes it this way: "Short form of Jackson. It appeared in the video game Mortal Kombat II in 1993." It ranked #342 for boys in the United States in 2025.
Meaning and etymology
According to Behind the Name, short form of Jackson. It appeared in the video game Mortal Kombat II in 1993. The entry lists its usage as English (Modern).
Editorial confidence: likely
Popularity
Jax ranked #342 for boys in the United States in 2025. The figure comes from the Social Security Administration's national file for that year.
| Region | Year | Rank | Source |
|---|---|---|---|
| United States | 2025 | #342 | ssa-2025 |
If you like this name
Names that Behind the Name files under the same origin (English) and that sit near Jax in the 2025 American rankings.
Similar by origin
Frequently asked questions
What does the name Jax mean?
Behind the Name does not give Jax a one-word meaning. It describes the name as follows: short form of Jackson.
Is Jax a popular name?
Jax ranked #342 for boys in the United States in 2025. (Social Security Administration data).
Is Jax a boy's or a girl's name?
In the 2025 SSA data Jax appears in the boys' list; Behind the Name labels it masculine.
Sources
- Behind the Name: Meaning, origin and history of the name Jax — supports meaning, usage, pronunciation, variants.
- U.S. Social Security Administration: Popular Baby Names — national data, year of birth 2025 — supports popularity.