Casio
- US rank
- Unranked
- Syllables
- 2
- Peak
- #10,821 in 2023
0 babies were named Casio in the US in 2025.
Save adds it to your list. Vote moves it up the top voted names.
US births per million boys, 2023–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Casio you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryCasio first shows up in US birth records in 2023, 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 2023, when it reached #10,821.
About the name Casio
Casio is a boy name of Irish origin. It has 5 letters and 2 syllables, starting with C and ending in “-sio”. US birth records list Casio for boys only in 2023, the one year at least 5 babies got it. Its best year was 2023, when it ranked #10,821 among boy names. It hasn't been given to 5 or more US babies in a year since 2023, so today it's a genuinely rare choice.
Origin:Irish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 2020s | 3.5 | 285,714 boys |
Other spellings of Casio
More Irish boy names
- Boy name: Liam · resolute protector
- Unisex name: Owen · well-born
- Unisex name: Logan · little hollow
- Unisex name: Nolan · descendant of Nuallán
- Unisex name: Gael · a Gael
- Boy name: Arthur · possibly bear
- Unisex name: Ryan · little king
- Boy name: Dominic · of the Lord
Questions about the name Casio
What is the origin of the name Casio?
Casio has Irish roots in our records. Other Irish names include Liam, Owen, Logan.
Is Casio a boy or girl name?
Casio is a boy name.
How popular is the name Casio?
Casio is rare: fewer than 5 US boys got it in 2025, and it was last given to 5 or more in 2023. It peaked at #10,821 in 2023.