Cathy is a distinctive girls' name in United States, ranking #8463 in 2025 with 12 recorded births. The name reached its all-time peak in 1997 with 133 births ranking #1305. Since 1996, the popularity has decreased by 90.7%. In 2025, approximately 1 in every 133,939 girls born was named Cathy. FALLING Recent data shows the name is currently falling.