Kaelyn is a distinctive girls' name in United States, ranking #1109 in 2020 with 221 recorded births. The name reached its all-time peak in 2009 with 997 births ranking #332. Since 1996, the popularity has decreased by 25.8%. In 2020, approximately 1 in every 7,310 girls born was named Kaelyn. STABLE Recent data shows the name is currently stable.