Kaitlin is a moderately popular girls' name in United States, ranking #120 in 1998 with 2,702 recorded births. The name reached its all-time peak in 1996 with 3,136 births ranking #103. Since 1996, the popularity has decreased by 13.8%. In 1998, approximately 1 in every 654 girls born was named Kaitlin. STABLE Recent data shows the name is currently stable.