Cailo vs Rocio

Baby Name Comparison — 2026

Cailo

Boy #15,816 Most Popular 2 Syllables

Meaning

"rejoice, happy"

Origin: Welsh / Latin Gaius

Cultural Roots

English Welsh Modern American

Quick Stats

Popularity Rank
#15,816
Total SSA Count
7
Syllables
2
Formality
Casual
Nicknames
Kai, Cai, Kay

Playground Safety Score

✓ All Clear
Full profile for Cailo →

Rocio

Girl #2,662 Most Popular 3 Syllables

Meaning

"dew, dewdrops"

Origin: Spanish

Cultural Roots

Spanish Latin American

Quick Stats

Popularity Rank
#2,662
Total SSA Count
65
Syllables
3
Formality
Moderate
Nicknames
Roci, Chío

Playground Safety Score

✓ All Clear
Full profile for Rocio →

Popularity Comparison

Cailo Rank #15,816
Rocio Rank #2,662

Rocio is more popular, ranked #2662 vs #15816 for Cailo.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cailo ___

  • Cailo James
  • Cailo River
  • Cailo Fox
  • Cailo Reid
  • Cailo Jude
  • Cailo Finn

Rocio ___

  • Rocio María
  • Rocio Isabel
  • Rocio Guadalupe
  • Rocio Carmen
  • Rocio Esperanza
  • Rocio Luz

Sibling Name Ideas

Names that pair well as siblings.

If you choose Cailo

Zara Mila Nova Lyra Axel

If you choose Rocio

Valentina Camila Diego Santiago Catalina

Which Name Fits Your Family?

Answer 3 quick questions and we'll help you decide.

1. Which style feels more like your family?

Frequently Asked Questions

Is Cailo or Rocio more popular?

Rocio is more popular, ranked #2662 compared to Cailo at #15816 in the United States.

What do Cailo and Rocio mean?

Cailo means "rejoice, happy" (Welsh / Latin Gaius origin). Rocio means "dew, dewdrops" (Spanish origin).

Are Cailo and Rocio boy or girl names?

Cailo is primarily a boy name. Rocio is primarily a girl name.

More Comparisons

Rocio vs Cailo Cailo vs Blanch Cailo vs Farmer Cailo vs Macey Cailo vs Collette
← Full profile: Cailo ← Full profile: Rocio Browse all baby names