Kaylyn is a distinctive girls' name in United States, ranking #519 in 1997 with 462 recorded births. The name reached its all-time peak in 1997 with 462 births ranking #519. Since 1996, the popularity has increased by 10.3%. In 1997, approximately 1 in every 3,768 girls born was named Kaylyn. STABLE Recent data shows the name is currently stable.