Kaylyn is a distinctive girls' name in United States, ranking #2367 in 2023 with 77 recorded births. The name reached its all-time peak in 1997 with 462 births ranking #519. Since 1996, the popularity has decreased by 81.6%. In 2023, approximately 1 in every 20,814 girls born was named Kaylyn. STABLE Recent data shows the name is currently stable.