Kassie is a distinctive girls' name in United States, ranking #1032 in 1998 with 193 recorded births. The name reached its all-time peak in 1999 with 217 births ranking #954. Since 1996, the popularity has increased by 14.2%. In 1998, approximately 1 in every 9,155 girls born was named Kassie. STABLE Recent data shows the name is currently stable.