Jailen is a distinctive boys' name in United States, ranking #1414 in 2003 with 94 recorded births. The name reached its all-time peak in 2003 with 94 births ranking #1414. Since 1996, the popularity has increased by 248.1%. In 2003, approximately 1 in every 21,014 boys born was named Jailen. FALLING Recent data shows the name is currently falling.