Cassie is a distinctive girls' name in United States, ranking #1282 in 2017 with 184 recorded births. The name reached its all-time peak in 1998 with 979 births ranking #310. Since 1996, the popularity has decreased by 71.8%. In 2017, approximately 1 in every 9,380 girls born was named Cassie. STABLE Recent data shows the name is currently stable.