Jair is a distinctive boys' name in United States, ranking #1385 in 1998 with 84 recorded births. The name reached its all-time peak in 2003 with 480 births ranking #506. Since 1996, the popularity has decreased by 45.1%. In 1998, approximately 1 in every 22,754 boys born was named Jair. FALLING Recent data shows the name is currently falling.