Marcelo vs Mario

Baby Name Comparison — 2026

Marcelo

Boy #445 Most Popular 3 Syllables

Meaning

"of Mars, dedicated to Mars"

Origin: Latin (Marcus/Mars)

Cultural Roots

Spanish Italian Portuguese Latin American

Quick Stats

Popularity Rank
#445
Total SSA Count
709
Syllables
3
Formality
Moderate
Nicknames
Marc, Marco, Marce

Playground Safety Score

✓ All Clear
Full profile for Marcelo →

Mario

Boy #399 Most Popular 3 Syllables

Meaning

"of Mars, warrior"

Origin: Latin

Cultural Roots

Italian Spanish Portuguese Latin American

Quick Stats

Popularity Rank
#399
Total SSA Count
808
Syllables
3
Formality
Moderate
Nicknames
Mar

Playground Safety Score

✓ All Clear
Full profile for Mario →

Popularity Comparison

Marcelo Rank #445
Mario Rank #399

Mario is more popular, ranked #399 vs #445 for Marcelo.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Marcelo ___

  • Marcelo Antonio
  • Marcelo Luis
  • Marcelo Alejandro
  • Marcelo David
  • Marcelo Emilio
  • Marcelo Gabriel

Mario ___

  • Mario Antonio
  • Mario Luis
  • Mario Jose
  • Mario Andres
  • Mario Felix
  • Mario Rafael

Sibling Name Ideas

Names that pair well as siblings.

If you choose Marcelo

Valentina Isabella Sebastián Mateo Lucia

If you choose Mario

Sofia Lucia Marco Isabella Carlos

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 Marcelo or Mario more popular?

Mario is more popular, ranked #399 compared to Marcelo at #445 in the United States.

What do Marcelo and Mario mean?

Marcelo means "of Mars, dedicated to Mars" (Latin (Marcus/Mars) origin). Mario means "of Mars, warrior" (Latin origin).

Are Marcelo and Mario boy or girl names?

Marcelo is primarily a boy name. Mario is primarily a boy name.

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← Full profile: Marcelo ← Full profile: Mario Browse all baby names