Jailyn is a distinctive boys' name in United States, ranking #4778 in 1997 with 13 recorded births. The name reached its all-time peak in 2006 with 59 births ranking #2191. Since 1996, the popularity has increased by 18.2%. In 1997, approximately 1 in every 145,007 boys born was named Jailyn. STABLE Recent data shows the name is currently stable.