Caytlyn is a distinctive girls' name in United States, ranking #7813 in 1999 with 12 recorded births. The name reached its all-time peak in 1998 with 14 births ranking #6778. Since 1996, the popularity has increased by 140.0%. In 1999, approximately 1 in every 147,815 girls born was named Caytlyn. STABLE Recent data shows the name is currently stable.