What origin is the name Casius?

Casius comes from Latin naming traditions. Names from this origin often carry meanings tied to nature, virtues or heritage.

What are good sister names for Casius?

Names from the same latin tradition pair naturally with Casius — for example Olivia, Ava, Emily. You can browse more on our latin names page.

Is it Casius or Kasius?

Both spellings are used. Casius means "A variant spelling of Cassius, meaning "hollow" in Latin."; Kasius is listed with the meaning "Kasius is a spelling variant of Cassius, a Latin family name traditionally linked to cassus, meaning 'empty' or 'hollow.'". Families often choose the spelling that matches how the name is written in their language, or the one that is easiest to pronounce where they live.

Casius

Discover the meaning and origin of the name Casius

Casius

Boy

Latin

2 syllables

Casius is a Latin boy's name meaning "A variant spelling of Cassius, meaning "hollow" in Latin".

Casius is a boy's name of Latin origin meaning "A variant spelling of Cassius, meaning "hollow" in Latin". It has 2 syllables.

Origin: Latin
Gender: Boy
Syllables: 2

Last updated 24 October 2026.

What does Casius mean?

A variant spelling of Cassius, meaning "hollow" in Latin.

How popular is Casius?

No birth-record data (source: not in US birth records; popularity in India is not tracked)

Quick answers about Casius

What does Casius mean?

Casius is a boy name of Latin origin meaning "A variant spelling of Cassius, meaning "hollow" in Latin.".

How popular is Casius?

We have no birth-record ranking for Casius: it is not in US records, and India publishes no national name rankings. The meter above fills in as parents here view, search for and save the name.

Sister names that go with Casius

Olivia Ava Emily Grace Victoria Camila

How to say Casius

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Name numerology

8is the Chaldean number for Casius.

Number 8 is linked with ambition, strength and determination.

More names with number 8

Numerology is a cultural tradition for fun, not a prediction.

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Other spellings of Casius

Parents also search for these spellings. Each has its own page with its meaning and origin.

Kasius — "Kasius is a spelling variant of Cassius, a Latin family name traditionally linked to cassus, meaning 'empty' or 'hollow.'" (Indian)

Compare Casius with Kasius

Casius at a glance

Letters: 6
Syllables: 2
Starts with: C
Ends with: -us
Vowels: 3 of 6 letters

6-letter boy names

Which names have a similar meaning to Casius?

Casius means "A variant spelling of Cassius, meaning "hollow" in Latin." — these names share that spirit.

Emily — "Emily comes from the Roman family name Aemilius, probably from the Latin aemulus, meaning 'rival' or 'eager to excel'." (Latin)
Logan — "Logan is a Scottish surname from a place name, from the Gaelic lagan, meaning 'little hollow'." (Scottish)
Aiden — "Aiden is a spelling of Aidan, from the Irish Aodhán, meaning 'little fire'. Aodh was a Celtic god of fire." (Irish)
Lucas — "Lucas is the Latin form of Luke, from the Greek Loukas, meaning 'man from Lucania', a region of southern Italy." (Greek)
Sofia — "Sofia is a spelling of Sophia, from the Greek sophia, meaning 'wisdom'. It is common in Spanish, Italian and Slavic languages." (Greek)
Noah — "Noah comes from the Hebrew Noach, meaning 'rest' or 'comfort'. In the Bible, Noah builds the ark that saves his family." (Hebrew)
Emma — "Emma comes from the Germanic word ermen, meaning 'whole' or 'universal'. It was brought to England by Norman nobility." (German)
Isabella — "Isabella is the Italian and Spanish form of Elizabeth, from the Hebrew Elisheva, meaning 'my God is an oath' or 'pledged to God'." (Hebrew)