Colby vs Theodore

Baby Name Comparison — 2026

Colby

Boy #582 Most Popular 2 Syllables

Meaning

"dark man's settlement, coal-black farm"

Origin: Old Norse

Cultural Roots

English American Scandinavian

Quick Stats

Popularity Rank
#582
Total SSA Count
489
Syllables
2
Formality
Casual
Nicknames
Col, Coy, Coie

Playground Safety Score

✓ All Clear
Full profile for Colby →

Popularity Comparison

Colby Rank #582
Theodore Rank #4

Theodore is more popular, ranked #4 vs #582 for Colby.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Colby ___

  • Colby James
  • Colby Lee
  • Colby Ray
  • Colby Dean
  • Colby Scott
  • Colby Blake

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 Colby

Caden Brady Hailey Kelsey Logan

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 Colby or Theodore more popular?

Theodore is more popular, ranked #4 compared to Colby at #582 in the United States.

What do Colby and Theodore mean?

Colby means "dark man's settlement, coal-black farm" (Old Norse origin). Theodore means "divine gift" (Greek origin).

Are Colby and Theodore boy or girl names?

Colby is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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