Jailen is a distinctive boys' name in United States, ranking #1820 in 2007 with 80 recorded births. The name reached its all-time peak in 2003 with 94 births ranking #1414. Since 1996, the popularity has increased by 196.3%. In 2007, approximately 1 in every 25,940 boys born was named Jailen. FALLING Recent data shows the name is currently falling.