Kassy is a distinctive girls' name in United States, ranking #10533 in 2014 with 10 recorded births. The name reached its all-time peak in 1997 with 29 births ranking #3854. Since 1996, the popularity has decreased by 60.0%. In 2014, approximately 1 in every 178,594 girls born was named Kassy. STABLE Recent data shows the name is currently stable.