Kaitlin is a moderately popular girls' name in United States, ranking #344 in 2006 with 957 recorded births. The name reached its all-time peak in 1996 with 3,136 births ranking #103. Since 1996, the popularity has decreased by 69.5%. In 2006, approximately 1 in every 1,986 girls born was named Kaitlin. STABLE Recent data shows the name is currently stable.