Ancient Roman family name of uncertain etymology; possibly from Latin cassus, meaning empty, vain. Notable bearers include the Roman historian Cassius Dio and boxer Muhammad Ali, born Cassius Clay.
Vibe
boldsophisticated
How it ages.
A bold classical Roman name with real staying power - equally at home as a modern pick for a boy today.
The cultural moment.
Last ranked #319 in England & Wales and #582 in the United States, both in 2025. Also spelled Kassius.