Katy is a distinctive girls' name in United States, ranking #2709 in 2025 with 64 recorded births. The name reached its all-time peak in 1997 with 279 births ranking #758. Since 1996, the popularity has decreased by 76.6%. In 2025, approximately 1 in every 25,114 girls born was named Katy. FALLING Recent data shows the name is currently falling.