Kaitlynn is a distinctive girls' name in United States, ranking #635 in 2009 with 470 recorded births. The name reached its all-time peak in 1999 with 822 births ranking #361. Since 1996, the popularity has decreased by 36.9%. In 2009, approximately 1 in every 3,908 girls born was named Kaitlynn. STABLE Recent data shows the name is currently stable.