Jailynn is a distinctive girls' name in United States, ranking #2078 in 2004 with 88 recorded births. The name reached its all-time peak in 2007 with 156 births ranking #1485. Since 1996, the popularity has increased by 486.7%. In 2004, approximately 1 in every 20,865 girls born was named Jailynn. STABLE Recent data shows the name is currently stable.