Caitlin is a distinctive girls' name in United States, ranking #2333 in 2025 with 78 recorded births. The name reached its all-time peak in 1996 with 4,268 births ranking #84. Since 1996, the popularity has decreased by 98.2%. In 2025, approximately 1 in every 20,606 girls born was named Caitlin. STABLE Recent data shows the name is currently stable.