Jax is a moderately popular boys' name in England & Wales, ranking #107 in 2022 with 514 recorded births. The name reached its all-time peak in 2023 with 602 births ranking #87. In 2022, approximately 1 in every 553 boys born was named Jax. FALLING Recent data shows the name is currently falling.
Jax is a brisk modern short form of Jackson. In practical terms it carries the inherited Jackson sense, usually understood as "son of Jack".
Behind the Name treats Jax as a modern English short form that only began appearing as a given name in the United States in the 1990s. Its rise was helped by pop culture as well as the popularity of clipped, punchy names.