Caitlin is a distinctive girls' name in United States, ranking #1358 in 2018 with 166 recorded births. The name reached its all-time peak in 1996 with 4,268 births ranking #84. Since 1996, the popularity has decreased by 96.1%. In 2018, approximately 1 in every 10,244 girls born was named Caitlin. STABLE Recent data shows the name is currently stable.