Jailen is a distinctive girls' name in United States, ranking #4281 in 1998 with 26 recorded births. The name reached its all-time peak in 2000 with 27 births ranking #4457. Since 1996, the popularity has increased by 420.0%. In 1998, approximately 1 in every 67,957 girls born was named Jailen. FALLING Recent data shows the name is currently falling.