Katelyn is a distinctive girls' name in United States, ranking #850 in 2023 with 315 recorded births. The name reached its all-time peak in 2000 with 5,502 births ranking #54. Since 1996, the popularity has decreased by 94.2%. In 2023, approximately 1 in every 5,088 girls born was named Katelyn. STABLE Recent data shows the name is currently stable.