Kaitlin is a moderately popular girls' name in United States, ranking #180 in 2001 with 1,821 recorded births. The name reached its all-time peak in 1996 with 3,136 births ranking #103. Since 1996, the popularity has decreased by 41.9%. In 2001, approximately 1 in every 989 girls born was named Kaitlin. STABLE Recent data shows the name is currently stable.