Kathy is a distinctive girls' name in United States, ranking #3274 in 2025 with 48 recorded births. This places Kathy in the top 19% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 445 births ranking #530. Since 1996, the popularity has decreased by 89.2%. In 2025, approximately 1 in every 33,485 girls born was named Kathy. FALLING Recent data shows the name is currently falling.