Jailynn is a distinctive girls' name in United States, ranking #1522 in 2009 with 149 recorded births. The name reached its all-time peak in 2007 with 156 births ranking #1485. Since 1996, the popularity has increased by 893.3%. In 2009, approximately 1 in every 12,328 girls born was named Jailynn. STABLE Recent data shows the name is currently stable.