Kaytlyn is a distinctive girls' name in United States, ranking #1969 in 2006 with 102 recorded births. The name reached its all-time peak in 1998 with 158 births ranking #1181. Since 1996, the popularity has decreased by 29.2%. In 2006, approximately 1 in every 18,638 girls born was named Kaytlyn. FALLING Recent data shows the name is currently falling.