Cass is a distinctive boys' name in United States, ranking #5068 in 2025 with 19 recorded births. The name reached its all-time peak in 2021 with 34 births ranking #3368. Since 1996, the popularity has increased by 26.7%. In 2025, approximately 1 in every 89,899 boys born was named Cass. RISING Recent data shows the name is currently rising.