Jailen is a distinctive boys' name in United States, ranking #1943 in 2001 with 56 recorded births. The name reached its all-time peak in 2003 with 94 births ranking #1414. Since 1996, the popularity has increased by 107.4%. In 2001, approximately 1 in every 34,693 boys born was named Jailen. FALLING Recent data shows the name is currently falling.