Jair is a distinctive boys' name in United States, ranking #506 in 2003 with 480 recorded births. The name reached its all-time peak in 2003 with 480 births ranking #506. Since 1996, the popularity has increased by 213.7%. In 2003, approximately 1 in every 4,115 boys born was named Jair. FALLING Recent data shows the name is currently falling.