Kaitlyn is a moderately popular girls' name in United States, ranking #330 in 2016 with 998 recorded births. The name reached its all-time peak in 2000 with 8,759 births ranking #30. Since 1996, the popularity has decreased by 86.2%. In 2016, approximately 1 in every 1,775 girls born was named Kaitlyn. FALLING Recent data shows the name is currently falling.