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Thaddeus vs Marcellus

Baby Name Comparison — 2026

Popularity Comparison

Thaddeus Rank #850
Marcellus Rank #951

Thaddeus is more popular, ranked #850 vs #951 for Marcellus.

Frequently Asked Questions

Is Thaddeus or Marcellus more popular?

Thaddeus is more popular, ranked #850 compared to Marcellus at #951 in the United States.

What do Thaddeus and Marcellus mean?

Thaddeus means "courageous heart" (Aramaic origin). Marcellus means "little warrior, young Mars" (Latin origin).

Are Thaddeus and Marcellus boy or girl names?

Thaddeus is primarily a boy name. Marcellus is primarily a boy name.

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