Jailen is a distinctive boys' name in United States, ranking #1876 in 2005 with 68 recorded births. The name reached its all-time peak in 2003 with 94 births ranking #1414. Since 1996, the popularity has increased by 151.9%. In 2005, approximately 1 in every 29,370 boys born was named Jailen. FALLING Recent data shows the name is currently falling.