Kaytlyn is a distinctive girls' name in United States, ranking #14061 in 2025 with 6 recorded births. The name reached its all-time peak in 1998 with 158 births ranking #1181. Since 1996, the popularity has decreased by 95.8%. In 2025, approximately 1 in every 267,878 girls born was named Kaytlyn. FALLING Recent data shows the name is currently falling.