Kaitlin is a distinctive girls' name in United States, ranking #662 in 2010 with 441 recorded births. The name reached its all-time peak in 1996 with 3,136 births ranking #103. Since 1996, the popularity has decreased by 85.9%. In 2010, approximately 1 in every 4,030 girls born was named Kaitlin. STABLE Recent data shows the name is currently stable.