Jailen is a distinctive boys' name in United States, ranking #1478 in 2004 with 92 recorded births. The name reached its all-time peak in 2003 with 94 births ranking #1414. Since 1996, the popularity has increased by 240.7%. In 2004, approximately 1 in every 21,574 boys born was named Jailen. FALLING Recent data shows the name is currently falling.