Cassio
- US rank
- #9,714
- Syllables
- 2
- Peak
- #8,312 in 2024
7 babies were named Cassio in the US in 2025.
Found on lists
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US births per million boys, 2024–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Cassio you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 243,902 baby boys born in the US in 2025 was named Cassio, 7 babies in all. In a typical school of 500 kids, your Cassio would very likely be the only one.
- HistoryCassio first shows up in US birth records in 2024, the first year at least 5 babies got it. That makes it a fairly new name, younger than many of today's parents.
- Best yearIts best year was 2024, when it reached #8,312.
- New on the sceneCassio wasn't given to enough babies to be counted in 2000. It only took off after 2024.
About the name Cassio
Cassio is a boy name of French and Latin origin. It has 6 letters and 2 syllables, starting with C and ending in “-sio”. US birth records list Cassio for boys from 2024 to 2025, in 2 of those 2 years. Its best year was 2024, when it ranked #8,312 among boy names. In 2025 it ranked #9,714, with 7 babies.
Origin:French namesLatin names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 2020s | 4.7 | 215,054 boys |
Other spellings of Cassio
More French boy names
- Boy name: Sebastian · venerable
- Boy name: Leo · lion
- Boy name: Daniel · God is my judge
- Unisex name: Gabriel · God is my strength
- Unisex name: Wyatt · brave in war
- Boy name: Charles · free man
- Unisex name: Beau · handsome
- Boy name: Robert · bright fame
Questions about the name Cassio
What is the origin of the name Cassio?
Cassio has French, Latin roots in our records. Other French names include Sebastian, Leo, Daniel.
Is Cassio a boy or girl name?
Cassio is a boy name.
How popular is the name Cassio?
Cassio ranked #9,714 for US boys in 2025, given to 7 babies. Its best year was 2024 (#8,312).