Kaytlyn is a distinctive girls' name in United States, ranking #9907 in 2020 with 10 recorded births. The name reached its all-time peak in 1998 with 158 births ranking #1181. Since 1996, the popularity has decreased by 93.1%. In 2020, approximately 1 in every 161,551 girls born was named Kaytlyn. FALLING Recent data shows the name is currently falling.