Kaitlynn is a moderately popular girls' name in United States, ranking #497 in 2007 with 651 recorded births. The name reached its all-time peak in 1999 with 822 births ranking #361. Since 1996, the popularity has decreased by 12.6%. In 2007, approximately 1 in every 2,953 girls born was named Kaitlynn. STABLE Recent data shows the name is currently stable.