Kaitlyn is a distinctive girls' name in United States, ranking #583 in 2021 with 520 recorded births. The name reached its all-time peak in 2000 with 8,759 births ranking #30. Since 1996, the popularity has decreased by 92.8%. In 2021, approximately 1 in every 3,153 girls born was named Kaitlyn. STABLE Recent data shows the name is currently stable.