Jax is a moderately popular boys' name in United States, ranking #315 in 2024 with 1,087 recorded births. The name reached its all-time peak in 2015 with 1,864 births ranking #215. Since 1996, the popularity has increased by 4,840.9%. In 2024, approximately 1 in every 1,578 boys born was named Jax. FALLING Recent data shows the name is currently falling.