Caitlin is a moderately popular girls' name in United States, ranking #230 in 2007 with 1,530 recorded births. The name reached its all-time peak in 1996 with 4,268 births ranking #84. Since 1996, the popularity has decreased by 64.2%. In 2007, approximately 1 in every 1,257 girls born was named Caitlin. STABLE Recent data shows the name is currently stable.