Jailen is a distinctive girls' name in United States, ranking #7212 in 2007 with 18 recorded births. The name reached its all-time peak in 2000 with 27 births ranking #4457. Since 1996, the popularity has increased by 260.0%. In 2007, approximately 1 in every 106,803 girls born was named Jailen. FALLING Recent data shows the name is currently falling.