Caitlin is a moderately popular girls' name in United States, ranking #496 in 2014 with 628 recorded births. The name reached its all-time peak in 1996 with 4,268 births ranking #84. Since 1996, the popularity has decreased by 85.3%. In 2014, approximately 1 in every 2,844 girls born was named Caitlin. STABLE Recent data shows the name is currently stable.