Kaitlin is a moderately popular girls' name in United States, ranking #297 in 2004 with 1,101 recorded births. The name reached its all-time peak in 1996 with 3,136 births ranking #103. Since 1996, the popularity has decreased by 64.9%. In 2004, approximately 1 in every 1,668 girls born was named Kaitlin. STABLE Recent data shows the name is currently stable.