Meaning and name origin
Jax \jax\ as a boy's name is of Old English origin, and the meaning of Jax is "son of Jack". Jax is a variant of Jackson (Old English): American President Andrew Jackson; Civil War General Stonewall Jackson; artist Jackson Pollock; singer Jackson Browne. Very prominent given name.
Jax is not a popular first name for males but a somewhat popular surname or last name for all people (#51192 out of 88799, Top 58%) (Source: 2000 U.S. Population Census).
Displayed below is the baby name popularity of the name Jax for boys. Jax reached its highest rank of #209 in the U.S. in 2014 (Source: 2014 Birth Name Statistics).
Displayed below is a comparison of the popularity of the boy name Jax and its source form. Popular variation forms ranked in the Top 1000/100 are Jackson (#17) and Jax (#209). (Source: 2014 Birth Name Statistics).