US Popularity Rank: 1149

Origin: Latin

Meaning: Empty; Vain; Helmet; Castle

Cassius is a masculine name of Latin origin. The name was prevalent in Shakespearean literature and was a leading figure in the Tragedy of Julius Ceasar. The name's Latin meaning is "vain", but don't let Carly Simon lead you astray with this etymology. Take it from health experts who say a little vanity can help baby pave the way for a healthy life. Cassius can also translate to "empty," celebrating baby as a blank canvas that can be filled with the world's knowledge. For a strong, protective vibe, Cassius can also come from the Latin word cassis, meaning "helmet" or "castle." The name is also in good company among celebrities; Cassius Clay, better known as legendary boxer Muhammad Ali, popularized the moniker in his early years. Parents won't have to wonder who's fairest of them all with a name that helps baby Cassius floats like a butterfly.