Jax is a moderately popular boys' name in United States, ranking #271 in 2022 with 1,272 recorded births. The name reached its all-time peak in 2015 with 1,864 births ranking #215. Since 1996, the popularity has increased by 5,681.8%. In 2022, approximately 1 in every 1,371 boys born was named Jax. FALLING Recent data shows the name is currently falling.