Kaytlyn is a distinctive girls' name in United States, ranking #2608 in 2007 with 71 recorded births. The name reached its all-time peak in 1998 with 158 births ranking #1181. Since 1996, the popularity has decreased by 50.7%. In 2007, approximately 1 in every 27,077 girls born was named Kaytlyn. FALLING Recent data shows the name is currently falling.