Rudolf vs Theodore

Baby Name Comparison — 2026

Rudolf

Boy #19,769 Most Popular 2 Syllables

Meaning

"famous wolf"

Origin: Old High German (Hrodulf: hrod + wolf)

Cultural Roots

German Austrian Dutch Scandinavian Czech

Quick Stats

Popularity Rank
#19,769
Total SSA Count
6
Syllables
2
Formality
Formal
Nicknames
Rudi, Rudy, Dolf

Playground Safety Score

✓ All Clear
Full profile for Rudolf →

Popularity Comparison

Rudolf Rank #19,769
Theodore Rank #4

Theodore is more popular, ranked #4 vs #19769 for Rudolf.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Rudolf ___

  • Rudolf Ernst
  • Rudolf Karl
  • Rudolf Hans
  • Rudolf Friedrich
  • Rudolf Heinrich

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 Rudolf

Gertrude Heinrich Adalbert Helga

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 Rudolf or Theodore more popular?

Theodore is more popular, ranked #4 compared to Rudolf at #19769 in the United States.

What do Rudolf and Theodore mean?

Rudolf means "famous wolf" (Old High German (Hrodulf: hrod + wolf) origin). Theodore means "divine gift" (Greek origin).

Are Rudolf and Theodore boy or girl names?

Rudolf is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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