Kaytlyn is a distinctive girls' name in United States, ranking #5122 in 2017 with 26 recorded births. The name reached its all-time peak in 1998 with 158 births ranking #1181. Since 1996, the popularity has decreased by 81.9%. In 2017, approximately 1 in every 66,380 girls born was named Kaytlyn. FALLING Recent data shows the name is currently falling.