Cassius

Cassius: name meaning, origin & popularity

Meaning: “hollow; possibly vain”
Origin: Latin
Say it: KASH-əs · 2 syllables
Used for: Boys

Ancient Roman family name of uncertain exact derivation. Best known from Gaius Cassius Longinus and as the birth name of Muhammad Ali.

Latin names English names Classic names Literary names

How popular is Cassius?

2024155 per million US babies

Drag the line or the slider to read any year. Values are per million US births recorded by Social Security. Records before about 1937 undercount births, so early peaks can look taller than they were.

Compare with another name

Babies named Cassius in 2024516

2024 rank#566 boys

Peak year2020

Total US babies since 18809,259

Cassius is rising: use over the last five years is 2.4× what it was a decade earlier.

Names like Cassius

Variants, related forms and names with the same roots.

Lucasfrom Lucania · Latin
Leolion · Latin
Julianyouthful, downy-bearded · Latin
Anthonyof the Antonius family · Latin
RomanRoman, from Rome · Latin
Bennettblessed · Latin
Adrianfrom Hadria · Latin
Christianfollower of Christ · Latin

Cassius questions

What does the name Cassius mean?

Cassius means "hollow; possibly vain". It comes from Latin. Ancient Roman family name of uncertain exact derivation. Best known from Gaius Cassius Longinus and as the birth name of Muhammad Ali.

Is Cassius a boy or girl name?

Cassius is mainly a boy's name in US records (100% of uses since 1880).

How popular is Cassius?

516 US babies were named Cassius in 2024. Its peak year was 2020.

How do you pronounce Cassius?

Cassius is usually pronounced KASH-əs.

Birth counts: US Social Security Administration national data, 1880–2024 (names given to 5+ babies of a sex in a year). How we write meanings.