Caitlin is a moderately popular girls' name in United States, ranking #123 in 2002 with 2,743 recorded births. The name reached its all-time peak in 1996 with 4,268 births ranking #84. Since 1996, the popularity has decreased by 35.7%. In 2002, approximately 1 in every 655 girls born was named Caitlin. STABLE Recent data shows the name is currently stable.