Kassie is a distinctive girls' name in United States, ranking #1109 in 2000 with 184 recorded births. This places Kassie in the top 6% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1999 with 217 births ranking #954. In 2000, approximately 1 in every 9,869 girls born was named Kassie. STABLE Recent data shows the name is currently stable.