Jailynn is a distinctive girls' name in United States, ranking #1890 in 2012 with 106 recorded births. The name reached its all-time peak in 2007 with 156 births ranking #1485. Since 1996, the popularity has increased by 606.7%. In 2012, approximately 1 in every 16,611 girls born was named Jailynn. STABLE Recent data shows the name is currently stable.