Kaitlyn is a moderately popular girls' name in United States, ranking #444 in 2019 with 701 recorded births. The name reached its all-time peak in 2000 with 8,759 births ranking #30. Since 1996, the popularity has decreased by 90.3%. In 2019, approximately 1 in every 2,393 girls born was named Kaitlyn. FALLING Recent data shows the name is currently falling.