Jair is a distinctive boys' name in United States, ranking #728 in 2006 with 296 recorded births. The name reached its all-time peak in 2003 with 480 births ranking #506. Since 1996, the popularity has increased by 93.5%. In 2006, approximately 1 in every 6,943 boys born was named Jair. FALLING Recent data shows the name is currently falling.