Jailynn is a distinctive girls' name in United States, ranking #1992 in 2003 with 91 recorded births. The name reached its all-time peak in 2007 with 156 births ranking #1485. Since 1996, the popularity has increased by 506.7%. In 2003, approximately 1 in every 20,077 girls born was named Jailynn. STABLE Recent data shows the name is currently stable.