Cassio
How to say it: KAHS-yoh · /ˈkɑsjo/
Italian and Portuguese form of Latin Cassius, Roman clan name - Shakespeare's lieutenant in Othello.
Cassio was the 8,797th most popular boys’ name in the United States in 2025, given to 7 babies (Social Security Administration). The 2020s are its busiest decade so far, its births are up 2.4-fold in ten years, and it is projected to rise to #8,636 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 | #8,797 |
|---|---|
| Babies born in 2025 | 7 |
| Share of births | 1 in 473,620 |
| Peak decade | 2020s |
| Change over 10 years | ×2.4 |
| Projected rank for 2030 (estimate) | #8,636 |
| In France, 2025 | #2,436 among boys’ names, 5 births |
Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.
Its life, decade by decade
Cassio is a newcomer: almost all of its history is from the last forty years.
What goes with it
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Cassio is about under 1 in 200.
Around the world
This spelling is used in English, Italian, Portuguese.
In France: #2,436 for boys in 2025.
Famous people named Cassio
- Cassio Rivetti (born 1980)Brazilian equestrian
From Wikidata and Wikipedia
Good to know
- Cassio, Othello's lieutenant in Shakespeare's Othello
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