Kaytlyn is a distinctive girls' name in United States, ranking #1670 in 2003 with 115 recorded births. The name reached its all-time peak in 1998 with 158 births ranking #1181. Since 1996, the popularity has decreased by 20.1%. In 2003, approximately 1 in every 15,887 girls born was named Kaytlyn. FALLING Recent data shows the name is currently falling.