Jailen is a distinctive boys' name in United States, ranking #2175 in 1998 with 42 recorded births. The name reached its all-time peak in 2003 with 94 births ranking #1414. Since 1996, the popularity has increased by 55.6%. In 1998, approximately 1 in every 45,508 boys born was named Jailen. FALLING Recent data shows the name is currently falling.