Jax is a moderately popular boys' name in United States, ranking #287 in 2023 with 1,160 recorded births. The name reached its all-time peak in 2015 with 1,864 births ranking #215. Since 1996, the popularity has increased by 5,172.7%. In 2023, approximately 1 in every 1,473 boys born was named Jax. FALLING Recent data shows the name is currently falling.