Jailen is a distinctive boys' name in United States, ranking #5382 in 2015 with 17 recorded births. The name reached its all-time peak in 2003 with 94 births ranking #1414. Since 1996, the popularity has decreased by 37.0%. In 2015, approximately 1 in every 112,721 boys born was named Jailen. FALLING Recent data shows the name is currently falling.