Jailynn is a distinctive girls' name in United States, ranking #2243 in 2015 with 84 recorded births. The name reached its all-time peak in 2007 with 156 births ranking #1485. Since 1996, the popularity has increased by 460.0%. In 2015, approximately 1 in every 21,246 girls born was named Jailynn. STABLE Recent data shows the name is currently stable.