Arth vs Theodore

Baby Name Comparison — 2026

Arth

Boy #5,196 Most Popular 1 Syllable

Meaning

"bear"

Origin: Proto-Celtic

Cultural Roots

Welsh Celtic British

Quick Stats

Popularity Rank
#5,196
Total SSA Count
19
Syllables
1
Formality
Moderate
Nicknames
Artie, Art

Playground Safety Score

12 High Risk

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

Full profile for Arth →

Popularity Comparison

Arth Rank #5,196
Theodore Rank #4

Theodore is more popular, ranked #4 vs #5196 for Arth.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Arth ___

  • Arth James
  • Arth William
  • Arth Lee
  • Arth John
  • Arth Edward
  • Arth Robert

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 Arth

Rhys Owen Gwyneth Bronwen Evan

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 Arth or Theodore more popular?

Theodore is more popular, ranked #4 compared to Arth at #5196 in the United States.

What do Arth and Theodore mean?

Arth means "bear" (Proto-Celtic origin). Theodore means "divine gift" (Greek origin).

Are Arth and Theodore boy or girl names?

Arth is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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