Carlo vs Marcellus

Baby Name Comparison — 2026

Carlo

Boy #918 Most Popular 2 Syllables

Meaning

"free man"

Origin: Old High German

Cultural Roots

Italian Spanish Portuguese Filipino

Quick Stats

Popularity Rank
#918
Total SSA Count
253
Syllables
2
Formality
Moderate
Nicknames
Carl, Lito, Car

Playground Safety Score

✓ All Clear
Full profile for Carlo →

Marcellus

Boy #951 Most Popular 3 Syllables

Meaning

"little warrior, young Mars"

Origin: Latin

Cultural Roots

English French Italian Roman German

Quick Stats

Popularity Rank
#951
Total SSA Count
240
Syllables
3
Formality
Formal
Nicknames
Marc, Marcel, Marce

Playground Safety Score

✓ All Clear
Full profile for Marcellus →

Popularity Comparison

Carlo Rank #918
Marcellus Rank #951

Carlo is more popular, ranked #918 vs #951 for Marcellus.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Carlo ___

  • Carlo Antonio
  • Carlo Giovanni
  • Carlo Matteo
  • Carlo Lorenzo
  • Carlo Salvatore
  • Carlo Francesco

Marcellus ___

  • Marcellus James
  • Marcellus Edward
  • Marcellus William
  • Marcellus Thomas
  • Marcellus Henry
  • Marcellus Oliver

Sibling Name Ideas

Names that pair well as siblings.

If you choose Carlo

Marco Luca Sofia Giulia Lorenzo

If you choose Marcellus

Octavia Cordelia Maximus Aurelius Cressida

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 Carlo or Marcellus more popular?

Carlo is more popular, ranked #918 compared to Marcellus at #951 in the United States.

What do Carlo and Marcellus mean?

Carlo means "free man" (Old High German origin). Marcellus means "little warrior, young Mars" (Latin origin).

Are Carlo and Marcellus boy or girl names?

Carlo is primarily a boy name. Marcellus is primarily a boy name.

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← Full profile: Carlo ← Full profile: Marcellus Browse all baby names