Kaitlynn is a moderately popular girls' name in United States, ranking #476 in 2005 with 647 recorded births. The name reached its all-time peak in 1999 with 822 births ranking #361. Since 1996, the popularity has decreased by 13.2%. In 2005, approximately 1 in every 2,856 girls born was named Kaitlynn. STABLE Recent data shows the name is currently stable.