Kaitlyn is a distinctive girls' name in United States, ranking #802 in 2025 with 340 recorded births. This places Kaitlyn in the top 5% of ranked US girls' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2000 with 8,759 births ranking #30. Since 1996, the popularity has decreased by 95.3%. In 2025, approximately 1 in every 4,727 girls born was named Kaitlyn. FALLING Recent data shows the name is currently falling.