Kassie is a distinctive girls' name in United States, ranking #2632 in 2009 with 70 recorded births. This places Kassie in the top 13% 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. Since 1996, the popularity has decreased by 58.6%. In 2009, approximately 1 in every 26,241 girls born was named Kassie. STABLE Recent data shows the name is currently stable.