Jailen is a distinctive boys' name in United States, ranking #1975 in 2008 with 72 recorded births. The name reached its all-time peak in 2003 with 94 births ranking #1414. Since 1996, the popularity has increased by 166.7%. In 2008, approximately 1 in every 28,333 boys born was named Jailen. FALLING Recent data shows the name is currently falling.