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© 2026 Namesake · namesake.baby

Data: Social Security Administration, US births 1880–2024

Caio — Meaning, Origin & Popularity | Namesake
All names
Cainon|Caiomi
LatinBoy↓ Fading

Caio

KY-oh · 2 syllables

Share Caio:
Compare with another name
Boy
#3695
↓ Fading
#3695
in the US · 2024
Popularity score: 17
Peak rank
#3063 in 2023
5yr change
-632 ranks
Birth frequency
8.3 per 1,000,000 births
Sex split
100% boy · 0% girl

Popularity Over Time

↑ Higher on this chart = more popular · ↓ Lower = less popular

Average0255075100Popularity score (0–100)20202024

Rank #3695 · Rising since 2020

How Popular Is This Name?

Bars show the range of popularity for each group. The dot shows where this name sits. Further right = more popular.

All US boy names
Top 200 boy names
Latin boy names
Caio

Popularity score: 17  ·  SSA Rank: #3695

Rare  ·  Distinctive  ·  Familiar  ·  Common  ·  Very Common

Popularity score: 0 = least popular, 100 = most popular. Based on SSA rank.

Namesake Score
40
Higher than 40% of names
Combines uniqueness, trend, meaning, feasibility, and search interest.
Trend
↓ Fading
-632 ranks
Based on SSA rank velocity
Feasibility
Limited
.com taken · — · clear
Low friction, available
Uniqueness
55
8 per 10,000 births
Won't be common in class
Name DNA
LatinRomanClassic2-syllableBoyInternationalHistorical RootShortUncommon
Character
joyful disposition
People with this name

Qualities shared by notable Caios

athleticdeterminedskilledprofessionalcompetitive
STRONG
High confidence

Caio is a Latin boy name with cooling SSA momentum. It ranked #3695 in the US in 2024.

Trend:↓ Fading · -632 ranks
Feasibility:.com taken · — · clear
Popularity:#3695 · very rare
Caio at a Glance
Meaning:From Latin Gaius, a praenomen (given name) used in ancient Rome. Possibly derived from 'gaudere' meaning 'to rejoice'.
Language root:Latin · Roman
Peak rank:#3063 in 2023
5yr change:-632 ranks
Sex usage:100% boy · 0% girl
Notable bearers
Caio Junqueira
Brazilian football player
Caio Cesar
Brazilian footballer
Similar Sound
CayoCairo◈Kai◈Milo◈Leo
Similar Style
TitusSilas◈LuciusCassiusMarco
Works Well With
Sibling names that pair naturally with Caio
SofiaLucasLuciaMatteoGiuliaMarco
You Might Also Like
Titus
Latin · #383
→ Stable
Silas◈
Latin · #81
→ Stable
Lucius
Latin · #1385
↓ Fading
Cassius
Latin · #567
→ Stable
Marco
Latin · #387
→ Stable
Oliver
Latin · #3
→ Stable
Source: Social Security Administration baby names data. Popularity data reflects US births. Feasibility data updated monthly.
Name Intelligence
Caio · Overview
Summary

Caio is a Latin boy name with cooling SSA momentum. It ranked #3695 in the US in 2024.

Search interest: 1/100 → Stable

Strengths
Classic · Regal character
Caio carries a bold, warm quality that makes it distinctive without being invented.
Considerations
Popularity declining
Rank has dropped 632 positions in the last year. Consider whether this trajectory matters for your decision.
Domain taken
caio.com is not available. Alternative TLDs may work.
Explore

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Data source:Social Security Administration
Coverage:US births 1879–2024
Updated:January 2025
ISR:Refreshes monthly
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