Cassia is a distinctive girls' name in United States, ranking #2893 in 1998 with 45 recorded births. The name reached its all-time peak in 2025 with 94 births ranking #2022. Since 1996, the popularity has increased by 12.5%. In 1998, approximately 1 in every 39,264 girls born was named Cassia. RISING Recent data shows the name is currently rising.