Jailen is a distinctive girls' name in United States, ranking #8532 in 2005 with 13 recorded births. The name reached its all-time peak in 2000 with 27 births ranking #4457. Since 1996, the popularity has increased by 160.0%. In 2005, approximately 1 in every 142,131 girls born was named Jailen. FALLING Recent data shows the name is currently falling.