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Cassian

Boy Name #617 Most Popular Rising 3 Syllables

Ancient Roman saint meets Star Wars hero

English American European
Literary Elegant Vintage Bold Unique

Meaning & Origin

"of the Cassian family (Roman gens)"
Origin: Latin
Language: English

The Story of Cassian

Cassian is the adjectival form of the Roman family name Cassius, from the Latin cassus meaning 'hollow' or 'empty' — an ironic etymology for a name that feels so full of character. The Cassii were a major patrician family in ancient Rome. The name was carried by several early Christian saints, most notably John Cassian (c. 360–435 AD), a monk and theologian who founded monasteries in Gaul and wrote influential works on asceticism that shaped Western monasticism.

Cassian has risen sharply since 2022 largely due to the Disney+ series Andor, in which Diego Luna plays Captain Cassian Andor, a morally complex rebel spy in the Star Wars universe. The character's depth and the show's critical acclaim made Cassian one of the most-googled baby names following the series premiere.

John Cassian's theological writings, particularly the Institutes and the Conferences, were so influential that Saint Benedict of Nursia recommended them to all his monks. Cassian thus has deep roots in Western Christian monastic tradition, giving the name both spiritual and intellectual weight.

Fun Facts

  • John Cassian (c. 360–435 AD) is venerated as a saint in both Catholic and Orthodox Christianity
  • Cassian Andor, played by Diego Luna in the Star Wars series Andor (2022), sparked a measurable increase in the name's popularity

Cassian in Other Languages

Latin Cassianus
French Cassien
Italian Cassiano
Spanish Casiano
Romanian Casian

Famous People Named Cassian

J

John Cassian

Religious

360

Early Christian monk and theologian whose writings on monasticism deeply influenced the Rule of Saint Benedict and Weste...

Early Christian monk and theologian whose writings on monasticism deeply influenced the Rule of Saint Benedict and Western Christian spirituality

C

Cassian Andor Fictional

Other

Fictional rebel spy and protagonist of the Star Wars series Andor (2022–), played by Diego Luna; a morally complex hero ...

Fictional rebel spy and protagonist of the Star Wars series Andor (2022–), played by Diego Luna; a morally complex hero of the Rebellion

C

Cassian (from A Court of Thorns and Roses) Fictional

Other

Beloved fictional character from Sarah J. Maas's A Court of Thorns and Roses fantasy series, known for his fierce loyalt...

Beloved fictional character from Sarah J. Maas's A Court of Thorns and Roses fantasy series, known for his fierce loyalty and warrior spirit

Quick Facts

Gender
Boy
Syllables
3
Popularity Rank
#617
Total SSA Count
462
Cultural Origins
English American European
Pronunciation
Easy
Formality
Moderate
Cross-Cultural Ease
Moderate

Alternative Spellings

Common Nicknames

Cass Cas

Pairs Well With

Cassian James Cassian Alexander Cassian Oliver Cassian Alaric Cassian Frederick Cassian Julian Cassian Everett

Sibling Names

Also a Girl Name

Cassian is also used as a girl name, ranked #11836.

View Cassian as a girl name →

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Frequently Asked Questions About Cassian

What does the name Cassian mean?
"of the Cassian family (Roman gens)" (from Latin). Cassian is the adjectival form of the Roman family name Cassius, from the Latin cassus meaning 'hollow' or 'empty' — an ironic etymology for a name that feels so full of character. The Cassii were a major patrician family in ancient Rome. The name was carried by several early Christian saints, most notably John Cassian (c. 360–435 AD), a monk and theologian who founded monasteries in Gaul and wrote influential works on asceticism that shaped Western monasticism.
What is the origin of the name Cassian?
Cassian has Latin, English, American, and European origins. In Latin, it means "of the Cassian family (Roman gens)".
Is Cassian a boy or girl name?
Cassian is used as both a boy and girl name. As a boy name, it is ranked #617. As a girl name, it is ranked #11836. Cassian is more commonly used as a boy name.
How popular is the name Cassian?
Cassian is currently ranked #617 in popularity for boy names in the United States.
What are common nicknames for Cassian?
Common nicknames for Cassian include Cass and Cas.
What are good middle names for Cassian?
Popular middle name pairings include Cassian James, Cassian Alexander, Cassian Oliver, Cassian Alaric, Cassian Frederick, Cassian Julian, and Cassian Everett.
What are good sibling names for Cassian?
Names that pair well with Cassian as siblings include Sebastian, Dorian, Vivienne, Isolde, Adrian, Rosalind, and Evander.
How many syllables does Cassian have?
Cassian has 3 syllables, making it distinctive and rhythmic.
Is Cassian a common or rare name?
Cassian is moderately common, ranked #617 for boys in the US. You will encounter it, but it stands out.

About the Name Cassian

Cassian is a boy name with English, American, and European origins . The name means "of the Cassian family (Roman gens)" in Latin .

Is Cassian a boy or girl name? Cassian is used as both a boy and girl name. As a boy name, it ranks #617 in popularity. As a girl name, it ranks #11,836. Cassian is more commonly used as a boy name.

Cassian is currently ranked #617 in popularity for boy names in the United States.

The name Cassian has 3 syllables, making it distinctive and memorable.

Common nicknames for Cassian include Cass and Cas. These shorter forms provide casual alternatives while keeping the elegance of the full name.

Alternative spellings of Cassian include Cassius, Cassidy, Cassiel . Each spelling variation gives the name a slightly different character while preserving its sound and meaning.

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