Marcus vs Theodore

Baby Name Comparison — 2026

Marcus

Boy #256 Most Popular 2 Syllables

Meaning

"of Mars, warlike"

Origin: Latin

Cultural Roots

Roman English German Scandinavian African-American

Quick Stats

Popularity Rank
#256
Total SSA Count
1,376
Syllables
2
Formality
Formal
Nicknames
Marc, Mark

Playground Safety Score

✓ All Clear
Full profile for Marcus →

Popularity Comparison

Marcus Rank #256
Theodore Rank #4

Theodore is more popular, ranked #4 vs #256 for Marcus.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Marcus ___

  • Marcus James
  • Marcus Lee
  • Marcus Anthony
  • Marcus David
  • Marcus Thomas
  • Marcus Alexander

Theodore ___

  • Theodore James
  • Theodore William
  • Theodore Alexander
  • Theodore John
  • Theodore Henry
  • Theodore Arthur

Sibling Name Ideas

Names that pair well as siblings.

If you choose Marcus

Julius Claudia Octavia Darius Serena

If you choose Theodore

Olivia Charlotte Amelia Eleanor Oliver

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 Marcus or Theodore more popular?

Theodore is more popular, ranked #4 compared to Marcus at #256 in the United States.

What do Marcus and Theodore mean?

Marcus means "of Mars, warlike" (Latin origin). Theodore means "divine gift" (Greek origin).

Are Marcus and Theodore boy or girl names?

Marcus is primarily a boy name. Theodore is primarily a boy name.

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← Full profile: Marcus ← Full profile: Theodore Browse all baby names