Kaytlyn is a distinctive girls' name in United States, ranking #2042 in 2005 with 92 recorded births. The name reached its all-time peak in 1998 with 158 births ranking #1181. Since 1996, the popularity has decreased by 36.1%. In 2005, approximately 1 in every 20,084 girls born was named Kaytlyn. FALLING Recent data shows the name is currently falling.