Given name & surname
Cassius
“one who is empty; hollow; vain”
Cassius is used as a given name and a surname. One Latin interpretation is “one who is empty; hollow; vain.”
Meaning & origin
What it means
One Latin interpretation is “one who is empty; hollow; vain.”
Where it comes from
An origin associated with this spelling is Latin.
The story
Published U.S. birth records include this spelling as early as 1880. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Cassius through the years
- Babies since 1880
- 9,766
- 9,736 boys · 30 girls
- Most popular year
- 2021
- 612 babies
- 2025
- 504
- #583 for boys
- 2021–25 vs 2016–20
- +6%
- Steady
Where it’s given
By the numbers
In 2025, this name appeared in 504 U.S. birth records for boys, ranking No. 583 among boys’ names. Average annual use for boys was 5.7% higher in 2021–2025 than in 2016–2020. In 2025, California had the largest reported state-level birth count for boys with this name (56). Published U.S. population figures for this spelling include 5,324 as a first name in 2020; 109 as a surname in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Cassius’s family of names
In English usage, Cassius has a diminutive in Cass. Cassius has a feminine form in Cassia. Cassius has a related form in Cache.
Inner ring: spellings · middle: nicknames and forms · outer: across languages.
Around the world
Cassius has relatives in 4 languages. Lines run from its Latin roots to each of them.
4 related names in 4 languages. Point at a dot, or tab to the map and use the arrow keys.
Nicknames & forms 10
Diminutives, pet forms, short forms and variants used alongside the name.
- Cassianvariant
- Cachevariant
- Cassdiminutive · English
- Cassiovariant · Italian
- Cashusvariant
- Cassienvariant
- Cassianusvariant
- Cashosvariant
Show 2 moreShow fewer
Spellings & scripts 1
The same name written differently, including transliterations into other scripts.
Across languages 3
Equivalents and cognates in other languages, plus older forms it grew from.
People named Cassius
- Muhammad AliAmerican boxer (1942–2016)
- Cassius Marcellus CoolidgeAmerican artist (1844-1934)
- Cassius Marcellus ClayAmerican planter, politician and ambassador to Russia (1810-1903)
- Count CassiusHispano-Roman count700–800
- Cassius Jackson KeyserAmerican mathematician and journalist of pronounced philosophical inclinations (1862-1947)
- Cassius of NarniBishop of Narni550–558
- Cassius BaloyiSouth African boxerborn 1974
- Cassius WinstonAmerican basketball player (born 1998)
- Cassius StanleyAmerican basketball player (born 1999)
Listed by how widely each person is written about, which says nothing about the name itself.
Appears in
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