Jailynn is a distinctive girls' name in United States, ranking #1609 in 2008 with 141 recorded births. The name reached its all-time peak in 2007 with 156 births ranking #1485. Since 1996, the popularity has increased by 840.0%. In 2008, approximately 1 in every 13,409 girls born was named Jailynn. STABLE Recent data shows the name is currently stable.