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🇧🇷 Brazilian · Boy

Caio

Meaning: Rejoice

Cooling off
See if your partner loves “Caio” too
Syllables
1
Length
4 letters
Starts with
C
Ends with
o

Is Caio a popular baby name?

Popularity trend for Caio

BabyGen interest index
0255075100671990s652000s522010s512020s

The chart shows BabyGen’s relative interest index for Caio across the past four decades. It blends search trends, naming-pattern signals, and our internal dataset — useful as a relative gauge, not an official census rank.

About the name Caio

Origin
Brazilian
Gender
Boy
Meaning
Rejoice
Syllables
1
Length
4 letters

Origin & history of Caio

Caio comes from a brazilian naming tradition. Brazilian names mix Portuguese tradition, indigenous Tupi-Guarani roots, and African heritage. Below are picks topping Brazilian birth registries today.

Within that tradition, Caio stands out for its meaning — Rejoice — and for being recognizable across borders. Parents outside the original culture often pick Caio because it carries genuine history while still being easy to spell and say in everyday English.

Middle name ideas for Caio

Middles that balance Caio’s rhythm — shorter if Caio is long, longer if Caio is short — and read well together when spoken.

Names like Caio

Frequently asked questions about Caio

What does the name Caio mean?+

Caio means "Rejoice". It's a brazilian boy's name with a clear, well-documented meaning that has carried through generations.

Where does the name Caio come from?+

Caio has Brazilian origins. Brazilian names mix Portuguese tradition, indigenous Tupi-Guarani roots, and African heritage. Below are picks topping Brazilian birth registries today.

Is Caio a boy's or girl's name?+

Caio is most commonly used as a boy's name. Boys' usage is the dominant convention in the regions where the name is popular.

How do you pronounce Caio?+

Caio has 1 syllable. It's pronounced phonetically — read it as written, with the stress on the only syllable.

Is Caio a popular baby name?+

Caio sits in a comfortable spot — recognizable without being overused. Parents looking for a name with meaning, easy pronunciation, and cultural depth often shortlist it. See the popularity trend chart above for how interest has shifted across recent decades.

What are good middle names for Caio?+

Middle names that pair well with Caio tend to balance its rhythm — if Caio is short, a longer middle reads well; if it's long, a one-syllable middle keeps the full name crisp. See the suggested middle names below.

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