Allan vs Marcellus

Baby Name Comparison — 2026

Allan

Boy #854 Most Popular 2 Syllables

Meaning

"rock, harmony"

Origin: Celtic/Brythonic

Cultural Roots

Scottish English French American

Quick Stats

Popularity Rank
#854
Total SSA Count
283
Syllables
2
Formality
Moderate
Nicknames
Al

Playground Safety Score

✓ All Clear
Full profile for Allan →

Popularity Comparison

Allan Rank #854
Marcellus Rank #951

Allan is more popular, ranked #854 vs #951 for Marcellus.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Allan ___

  • Allan James
  • Allan Robert
  • Allan John
  • Allan Thomas
  • Allan Lee
  • Allan Scott

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 Allan

Colin Duncan Kenneth Ross Janet

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 Allan or Marcellus more popular?

Allan is more popular, ranked #854 compared to Marcellus at #951 in the United States.

What do Allan and Marcellus mean?

Allan means "rock, harmony" (Celtic/Brythonic origin). Marcellus means "little warrior, young Mars" (Latin origin).

Are Allan and Marcellus boy or girl names?

Allan is primarily a boy name. Marcellus is primarily a boy name.

More Comparisons

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