Jailynn is a distinctive girls' name in United States, ranking #2038 in 2005 with 92 recorded births. The name reached its all-time peak in 2007 with 156 births ranking #1485. Since 1996, the popularity has increased by 513.3%. In 2005, approximately 1 in every 20,084 girls born was named Jailynn. STABLE Recent data shows the name is currently stable.