Jailyn is a distinctive boys' name in United States, ranking #4659 in 2018 with 21 recorded births. The name reached its all-time peak in 2006 with 59 births ranking #2191. Since 1996, the popularity has increased by 90.9%. In 2018, approximately 1 in every 86,451 boys born was named Jailyn. STABLE Recent data shows the name is currently stable.