Cass is a unisex name that is often used as a short form of the names Cassandra, Cassidy, or Casimir. It is of English origin and means "shining upon mankind" or "she who entangles men". Cass is a strong and modern name that exudes confidence and independence. Those named Cass are often described as creative, intelligent, and ambitious individuals. Overall, Cass is a versatile and timeless name that can suit a variety of personalities.