Jailyn is a distinctive boys' name in United States, ranking #2945 in 2000 with 30 recorded births. The name reached its all-time peak in 2006 with 59 births ranking #2191. Since 1996, the popularity has increased by 172.7%. In 2000, approximately 1 in every 65,464 boys born was named Jailyn. STABLE Recent data shows the name is currently stable.