Jailynn is a distinctive girls' name in United States, ranking #2467 in 2000 with 62 recorded births. The name reached its all-time peak in 2007 with 156 births ranking #1485. Since 1996, the popularity has increased by 313.3%. In 2000, approximately 1 in every 29,290 girls born was named Jailynn. STABLE Recent data shows the name is currently stable.