Katelyn is a distinctive girls' name in United States, ranking #931 in 2024 with 283 recorded births. The name reached its all-time peak in 2000 with 5,502 births ranking #54. Since 1996, the popularity has decreased by 94.8%. In 2024, approximately 1 in every 5,700 girls born was named Katelyn. FALLING Recent data shows the name is currently falling.