Cassius: Meaning, origin and popularity
Pronounced KAS-ee-uhs · 3 syllables
Cassius means “hollow; vain”, from Latin.
Borrowed from Latin Cassius, a Roman name derived from the gens Cassia.
- Meaning
- hollow; vain
- Origin
- Latin
- Pronunciation
- KAS-ee-uhs
- US rank (2025)
- #582
- US babies a year
- about 539 (2021–2025)
- Peak
- around 2020
- Style
- Rising
How popular is Cassius?
Cassius was the #582 name in the US in 2025, given to 504 babies. It’s rising: up 78% on 2011–2015. It peaked around 2020.
Around the world
| Country | Rank |
|---|---|
| United States | #582 |
| England & Wales | #314 |
| Scotland | #711 |
| Canada | #847 |
| Australia | #600 |
How old are people named Cassius?
Half of US adults named Cassius are older than 28; most are between 18 and 63. (Estimated from US births by year and life tables.)
Names like Cassius
Chosen by the same families or with a similar style and era.
- Matthias
- Ephraim
- Lazarus
- Miles
- Abram
- Simeon
- Bennett
- Titus
- Atticus
- Tiberius
- Cyrus
- Maximus
- Tadeo
- Mateus
- Caspian
- Caius
Questions about Cassius
What does the name Cassius mean?
Cassius means “hollow; vain”. It comes from Latin.
How do you pronounce Cassius?
Cassius is pronounced KAS-ee-uhs.
How popular is the name Cassius?
Cassius was the #582 name in the US in 2025, given to 504 babies. It’s rising: up 78% on 2011–2015. It peaked around 2020.
How old are people named Cassius?
Half of US adults named Cassius are older than 28. Most are between 18 and 63.