Jailynn is a distinctive girls' name in United States, ranking #2752 in 2001 with 54 recorded births. The name reached its all-time peak in 2007 with 156 births ranking #1485. Since 1996, the popularity has increased by 260.0%. In 2001, approximately 1 in every 33,344 girls born was named Jailynn. STABLE Recent data shows the name is currently stable.