Jairus is a distinctive boys' name in United States, ranking #1665 in 2001 with 70 recorded births. The name reached its all-time peak in 2015 with 83 births ranking #1808. Since 1996, the popularity has increased by 37.3%. In 2001, approximately 1 in every 27,755 boys born was named Jairus. FALLING Recent data shows the name is currently falling.