Katelyn is a distinctive girls' name in United States, ranking #901 in 2022 with 309 recorded births. The name reached its all-time peak in 2000 with 5,502 births ranking #54. Since 1996, the popularity has decreased by 94.3%. In 2022, approximately 1 in every 5,303 girls born was named Katelyn. STABLE Recent data shows the name is currently stable.