Kassy is a distinctive girls' name in United States, ranking #11454 in 2013 with 9 recorded births. The name reached its all-time peak in 1997 with 29 births ranking #3854. Since 1996, the popularity has decreased by 64.0%. In 2013, approximately 1 in every 194,935 girls born was named Kassy. STABLE Recent data shows the name is currently stable.