Arthur vs Theodore

Baby Name Comparison — 2026

Arthur

Boy #105 Most Popular 2 Syllables

Meaning

"bear, bear-like strength"

Origin: Brythonic Celtic

Cultural Roots

English French Welsh British

Quick Stats

Popularity Rank
#105
Total SSA Count
3,318
Syllables
2
Formality
Formal
Nicknames
Art, Artie

Playground Safety Score

12 High Risk

{:type=>:nickname, :severity=>:medium, :message=>"'Arthur' can be twisted to 'fart'"}

Full profile for Arthur →

Popularity Comparison

Arthur Rank #105
Theodore Rank #4

Theodore is more popular, ranked #4 vs #105 for Arthur.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Arthur ___

  • Arthur James
  • Arthur William
  • Arthur Henry
  • Arthur Frederick
  • Arthur George
  • Arthur Edmund

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 Arthur

Theodore Edmund Cecily Rosalind Frederick

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 Arthur or Theodore more popular?

Theodore is more popular, ranked #4 compared to Arthur at #105 in the United States.

What do Arthur and Theodore mean?

Arthur means "bear, bear-like strength" (Brythonic Celtic origin). Theodore means "divine gift" (Greek origin).

Are Arthur and Theodore boy or girl names?

Arthur is primarily a boy name. Theodore is primarily a boy name.

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