Jair is a distinctive boys' name in United States, ranking #628 in 2002 with 315 recorded births. The name reached its all-time peak in 2003 with 480 births ranking #506. Since 1996, the popularity has increased by 105.9%. In 2002, approximately 1 in every 6,163 boys born was named Jair. FALLING Recent data shows the name is currently falling.