Jair is a distinctive boys' name in United States, ranking #857 in 2008 with 248 recorded births. The name reached its all-time peak in 2003 with 480 births ranking #506. Since 1996, the popularity has increased by 62.1%. In 2008, approximately 1 in every 8,226 boys born was named Jair. FALLING Recent data shows the name is currently falling.