Cassie is a moderately popular girls' name in England & Wales, ranking #425 in 2023 with 96 recorded births. The name reached its all-time peak in 2008 with 133 births ranking #336. Since 1996, the popularity has increased by 12.9%. In 2023, approximately 1 in every 2,673 girls born was named Cassie. FALLING Recent data shows the name is currently falling.