Kaitlin is a moderately popular girls' name in United States, ranking #421 in 2007 with 781 recorded births. The name reached its all-time peak in 1996 with 3,136 births ranking #103. Since 1996, the popularity has decreased by 75.1%. In 2007, approximately 1 in every 2,462 girls born was named Kaitlin. STABLE Recent data shows the name is currently stable.