Jair is a distinctive boys' name in United States, ranking #609 in 2004 with 353 recorded births. The name reached its all-time peak in 2003 with 480 births ranking #506. Since 1996, the popularity has increased by 130.7%. In 2004, approximately 1 in every 5,623 boys born was named Jair. FALLING Recent data shows the name is currently falling.