Kassius

Kassius is a masculine name with classical roots, serving as a modern variation of the ancient Roman family name Cassius. The original name derives from Latin, possibly meaning 'hollow' or 'empty,' though its illustrious bearers have given it stronger associations with strength and distinction. The spelling with 'K' adds a contemporary edge to this historical name. Kassius gained some recognition after actress Sonia Braga chose it for her son. The name carries echoes of Roman strength and historical gravitas while offering modern appeal. Though uncommon in popularity rankings, Kassius appeals to parents seeking a name with historical depth, distinctive character, and a powerful sound. Its classical origins pair with contemporary styling to create a timeless yet fresh option.

Kassius is also given to girls.

Pronounced KAS-ee-us.

As of October 2026, Kassius ranked #2243 for boys in US births in 2025 and #16286 for girls in US births in 2020 SSA, peaked at #1462 for boys in 2022.