Cassian
How to say it: KASS-ee-un · /ˈkæsiən/
From Roman clan name Cassius, possibly from Latin 'cassus' meaning 'empty, vain'; an ancient Roman family name.
Cassian was the 473rd most popular boys’ name in the United States in 2025, given to 633 babies (Social Security Administration). The 2020s are its busiest decade so far, its births are up 27-fold in ten years, and it is projected to rise to #186 by 2030.
Updated · SSA 2025 data, published May 2026 · Insee 2025 data, published July 2026 · How we compute these figures
Key facts
| Rank among boys’ names, 2025 | #473 |
|---|---|
| Babies born in 2025 | 633 |
| Share of births | 1 in 5,237 |
| Peak decade | 2020s |
| Change over 10 years | ×27 |
| Projected rank for 2030 (estimate) | #186 |
| In France, 2025 | #889 among boys’ names, 30 births |
Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.
Its life, decade by decade
Largely a product of recent decades, Cassian is still new on the scene. Its peak in the 2020s should give way to additional gains.
What goes with it
Strong with crisp edges and a breathy finish, Cassian carries three rolling syllables. Julian shares its polished style.
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Cassian is about under 1 in 200.
Around the world
This spelling is used in English, French, German.
In France: #889 for boys in 2025.
England and Wales: #287.
Famous people named Cassian
- Cassian of Imola (240–303)Bishop of Brescia
- Cassian of Tangier (300–298)Moroccan Catholic saint
From Wikidata and Wikipedia
Good to know
- Cassian Andor, Rebel intelligence officer in Rogue One and the Andor series.
Keep exploring
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