Kassy is a distinctive girls' name in United States, ranking #10469 in 2007 with 11 recorded births. The name reached its all-time peak in 1997 with 29 births ranking #3854. Since 1996, the popularity has decreased by 56.0%. In 2007, approximately 1 in every 174,768 girls born was named Kassy. STABLE Recent data shows the name is currently stable.