Jair is a distinctive boys' name in United States, ranking #671 in 2005 with 314 recorded births. The name reached its all-time peak in 2003 with 480 births ranking #506. Since 1996, the popularity has increased by 105.2%. In 2005, approximately 1 in every 6,360 boys born was named Jair. FALLING Recent data shows the name is currently falling.