What does Jax mean?
Jax /jax/ as a boys' name is of Old English derivation, and the name Jax means "son of Jack". Jax is an alternate spelling, with the suffix -x, of Jackson (Old English): American President Andrew Jackson.
How popular is Jax?
Jax is an uncommon given name for males but a very popular last name for both adults and children (#65298 out of 150436, Top 43%). (2000 U.S. Census)
Charted below is the baby name popularity of Jax for boys. Jax was first listed in 2005 and reached its peak position of #209 in the U.S. in 2014. (2014 Birth Statistics)
Displayed below is an analysis of the popularity of the boy name Jax and corresponding names. Jack (#41 last year), Jackson (#17), Jacky, Jaxen (#550), Jaxon (#46) and Jaxson (#85) are the popular alternative forms of Jax (#209 last year) appearing in the Top 1000. These forms of Jax were favored in the year 2013 (usage of 0.727%) and are almost as popular today (usage 0.722%, 1% less), but with the version Jacky becoming less stylish. The most fashionable birth names among these are Jackson, Jax, Jaxen, Jaxon and Jaxson, and there is a rekindling in baby name usage for Jackson. (2014 Birth Statistics)