Caitlin is a moderately popular girls' name in United States, ranking #267 in 2009 with 1,216 recorded births. The name reached its all-time peak in 1996 with 4,268 births ranking #84. Since 1996, the popularity has decreased by 71.5%. In 2009, approximately 1 in every 1,511 girls born was named Caitlin. STABLE Recent data shows the name is currently stable.