Caitlin is a moderately popular girls' name in United States, ranking #235 in 2008 with 1,459 recorded births. The name reached its all-time peak in 1996 with 4,268 births ranking #84. Since 1996, the popularity has decreased by 65.8%. In 2008, approximately 1 in every 1,296 girls born was named Caitlin. STABLE Recent data shows the name is currently stable.