Cassius

/K-AE-SH-AH-S/

Boy AtheistChristianOther Latin origin ItalianAmerican

Hollow, vain, the Roman clan name that Muhammad Ali chose to discard and that Shakespeare made immortal — Cassius Longinus plotted Caesar's assassination, and Cassius Clay became Muhammad Ali by rejecting the name as a slave-holder's inheritance

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Meaning & origin

Cassius is a boy's name of Latin origin, traditionally used in Atheist families. The name means "Hollow, vain, the Roman clan name that Muhammad Ali chose to discard and that Shakespeare made immortal — Cassius Longinus plotted Caesar's assassination, and Cassius Clay became Muhammad Ali by rejecting the name as a slave-holder's inheritance" and belongs to the Unique cluster — rare names — carefully chosen and rarely heard.

Beyond its Atheist heritage, Cassius is also used in Christian, Other traditions, reflecting how this name has traveled across cultures.

Common among Italian, American, European families, Cassius carries cultural weight that goes beyond its dictionary definition — it's a name with a story and a community.

Numerology of Cassius

Numerology assigns each name a single-digit destiny number by summing its letter values. Different schools use different mappings — NameRoot computes both so you can see how Cassius resonates in either tradition.

Pythagorean
1
leadership and pioneering spirit
Chaldean
2
harmony and partnership

How Cassius sounds

NameRoot scores the phonetic fit of every name against the sound of your last name. The pronunciation of Cassius breaks down into 5 phonemes: /K-AE-SH-AH-S/. In the app, you'll see how those sounds flow with your family name across rhythm, stress, and consonant clusters.

Nicknames

Common affectionate forms of Cassius — useful for everyday family conversation, early childhood, or as standalone given names themselves.

CasiCass

The six signals, applied to Cassius

NameRoot scores every name across six independent dimensions. Here's how Cassius maps to each — install the app to see the full compatibility score for your specific family.

01 — Birth Star
Nakshatra match
Enter your baby's birth date in the app and we'll compute the nakshatra compatibility score.
02 — Numerology
Destiny alignment
Pythagorean and Chaldean life-path calculations (destiny 1) matched against your family's own numerology profile.
03 — Phonetics
Last-name fit
Rhythm, stress, and consonant clusters measured with IPA to see how Cassius flows with your family name.
04 — Meaning
Unique
Cassius belongs to the Unique cluster — rare names — carefully chosen and rarely heard.
05 — Cultural & Tradition
Atheist
As a Atheist name, Cassius carries religious and cultural weight scored against your family's heritage — plus grandparent-name matches, saint's-day alignment, and generational naming patterns scored against your family tree.
06 — Uniqueness
Popularity balance
How common Cassius is today versus historically — finding the sweet spot between familiar and forgotten.

Names similar to Cassius

If Cassius resonates with you, these names live in the same world — drawn from the same tradition, sharing the same meaning, or echoing a similar sound.

Common questions about Cassius

What does the name Cassius mean?

Cassius means "Hollow, vain, the Roman clan name that Muhammad Ali chose to discard and that Shakespeare made immortal — Cassius Longinus plotted Caesar's assassination, and Cassius Clay became Muhammad Ali by rejecting the name as a slave-holder's inheritance." It is a boy name of Latin origin, traditionally used in Atheist families.

Is Cassius a boy or girl name?

Cassius is most commonly used as a boy name.

What is the origin of the name Cassius?

Cassius is of Latin origin, used in Atheist, Christian, Other traditions, commonly among Italian, American, European families.

What are common nicknames for Cassius?

Common short forms of Cassius include Casi, Cass.

What is the numerology of Cassius?

Cassius has a Pythagorean destiny number of 1 — leadership and pioneering spirit.

See how Cassius scores for your family

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