Jailynn is a distinctive girls' name in United States, ranking #2431 in 2002 with 66 recorded births. The name reached its all-time peak in 2007 with 156 births ranking #1485. Since 1996, the popularity has increased by 340.0%. In 2002, approximately 1 in every 27,225 girls born was named Jailynn. STABLE Recent data shows the name is currently stable.