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Cass

Quick answerThe name 'Cass' is a diminutive of 'Cassandra' or 'Cassius,' meaning "shining upon man" from the Greek *kekasmai* (to excel) or possibly from the Latin *cassus* (empty, vain).

English · Boy · 1 syllable

C
Rare

Popularity & facts

Relative popularity index, 2010–2025
GenderBoy
US Rank#5,068
TrendStable
Peak year1989
Syllables1
OriginEnglish
LanguageEnglish
CultureEnglish
Letters4
Numerology6 Chaldean 1
Global rank#727

Popularity over time

Popularity index
Hover the line to see any year. 100 = most popular.

Historical popularity from 1880–2025 · US Social Security Administration data

About the name Cass

The name 'Cass' is a diminutive of 'Cassandra' or 'Cassius,' meaning "shining upon man" from the Greek *kekasmai* (to excel) or possibly from the Latin *cassus* (empty, vain).

Cross-referenced with Behind the Name. AI-assisted, community-reviewable. Suggest an improvement.

Etymology

The name 'Cass' is a diminutive of 'Cassandra' or 'Cassius,' meaning "shining upon man" from the Greek *kekasmai* (to excel) or possibly from the Latin *cassus* (empty, vain). It is used primarily in English-speaking cultures, often as a short form of Cassandra in Greek mythology (a prophetess cursed to be disbelieved) or Cassius in Roman history (e.g., the conspirator against Julius Caesar).

Cass currently ranks #5,068 in the United States as a boy's name. It reached its peak popularity around 1989.

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Phonetic match, not just spelling
Cas
Boy Dutch

"Cas is a diminutive or short form of names like Casper, Cassandra, or Cassius, derived from Latin roots—Casper from "Gaspar"…"

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"Cassie is a diminutive of Cassandra, derived from the Greek name Κασσάνδρα (Kassandra), meaning "she who shines upon men" or…"

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"The name 'Caio' is the Italian, Portuguese, and Galician form of the Latin name 'Gaius', meaning "to rejoice" from the…"

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"The given name 'Casey' originates from the Irish Gaelic surname Ó Cathasaigh, meaning "vigilant" or "watchful," derived from the root…"

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Caua
Boy Brazilian

"The given name 'Caua' is derived from the Tupi language, a member of the Tupian language family, and means 'water'…"

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Chase
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"The name Chase derives from the Old French word "chace" (later "chasse"), meaning "to hunt" or "to pursue," ultimately rooted…"

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Czesław
Boy Polish

"Czesław derives from the Old Slavic elements "czest" (honor) and "sław" (glory), meaning "honored glory" or "glorious honor." The name…"

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Cai
Unisex Swedish (Rare)

"The given name 'Cai' has multiple origins: in Welsh, it means "rejoice" and derives from the name Caius; in Chinese,…"

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Cassius
Unisex Latin

"Cassius derives from the Latin family name Cassius, likely rooted in the Latin word "cassus" meaning "empty" or "vain," though…"

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Cash
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"The given name 'Cash' derives from the Old French and Middle English word *casse* or *caisse* (meaning "money box" or…"

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Girl Various

"Coco derives from Spanish and Portuguese origins, meaning "coconut" from the word *coco*, which itself comes from Portuguese sailors' adoption…"

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Chee
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