Dennis vs Theodore

Baby Name Comparison — 2026

Dennis

Boy #708 Most Popular 2 Syllables

Meaning

"follower of Dionysus"

Origin: Greek

Cultural Roots

English French German Irish

Quick Stats

Popularity Rank
#708
Total SSA Count
376
Syllables
2
Formality
Moderate
Nicknames
Denny, Den

Playground Safety Score

✓ All Clear
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Popularity Comparison

Dennis Rank #708
Theodore Rank #4

Theodore is more popular, ranked #4 vs #708 for Dennis.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Dennis ___

  • Dennis James
  • Dennis Michael
  • Dennis Paul
  • Dennis Lee
  • Dennis Ray
  • Dennis Alan

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 Dennis

Kevin Patrick Karen Sharon Gary

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 Dennis or Theodore more popular?

Theodore is more popular, ranked #4 compared to Dennis at #708 in the United States.

What do Dennis and Theodore mean?

Dennis means "follower of Dionysus" (Greek origin). Theodore means "divine gift" (Greek origin).

Are Dennis and Theodore boy or girl names?

Dennis is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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