Jailynn is a distinctive girls' name in United States, ranking #2119 in 2016 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 2016, approximately 1 in every 19,255 girls born was named Jailynn. STABLE Recent data shows the name is currently stable.