Cacy is a distinctive girls' name in United States, ranking #13845 in 1996 with 5 recorded births. This places Cacy in the bottom 13% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2001 with 6 births ranking #13805. In 1996, approximately 1 in every 350,592 girls born was named Cacy. RISING Recent data shows the name is currently rising.