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Marcellus vs Thelonious

Baby Name Comparison — 2026

Popularity Comparison

Marcellus Rank #951
Thelonious Rank #5,754

Marcellus is more popular, ranked #951 vs #5754 for Thelonious.

Frequently Asked Questions

Is Marcellus or Thelonious more popular?

Marcellus is more popular, ranked #951 compared to Thelonious at #5754 in the United States.

What do Marcellus and Thelonious mean?

Marcellus means "little warrior, young Mars" (Latin origin). Thelonious means "lord, ruler" (Germanic/Latin origin).

Are Marcellus and Thelonious boy or girl names?

Marcellus is primarily a boy name. Thelonious is primarily a boy name.

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