Thelonious vs Marcellus

Baby Name Comparison — 2026

Thelonious

Boy #5,754 Most Popular 4 Syllables

"lord, ruler"

Origin: Germanic/Latin

American English African American

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Boy #951 Most Popular 3 Syllables

"little warrior, young Mars"

Origin: Latin

English French Italian Roman German

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Thelonious Rank #5,754

Marcellus Rank #951

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

Is Thelonious or Marcellus more popular?

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

What do Thelonious and Marcellus mean?

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

Are Thelonious and Marcellus boy or girl names?

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