Cassius

boyLatin

Cassius is a boy name of Latin origin, meaning “Of uncertain meaning; perhaps 'hollow'”.

MeaningOf uncertain meaning; perhaps 'hollow'
GenderBoy
OriginLatin
PronunciationKASH-us
TraditionModern & Classic
Used inUnited States, United Kingdom, Australia

Meaning and origin of Cassius

Cassius was the name of an ancient Roman family, best known through Gaius Cassius Longinus, one of the conspirators against Julius Caesar. Its origin is uncertain; it is sometimes linked to Latin cassus, 'empty' or 'hollow', but this is not certain. The boxer Muhammad Ali was born Cassius Clay, named after the abolitionist Cassius Marcellus Clay. It has recently become a fashionable choice in English-speaking countries.

Is Cassius a religious name?

Cassius is a Roman name with no particular religious background.

How popular is Cassius?

Rising in recent years among parents who like strong classical names.

Gifts with the name Cassius

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Spellings and variants of Cassius

CassianCasiusCash

Names similar to Cassius

More boy names

Frequently asked questions

What does the name Cassius mean?

Cassius means 'Of uncertain meaning; perhaps 'hollow''. It is of Latin origin.

Does Cassius have a religious meaning?

Cassius is a Roman name with no particular religious background.

How do you pronounce Cassius?

Cassius is pronounced KASH-us.

Is Cassius a boy or girl name?

Cassius is usually a boy name.

Updated October 2026. Spotted a mistake? Tell us.