Cullen vs Theodore

Baby Name Comparison — 2026

Cullen

Boy #1,131 Most Popular 2 Syllables

Meaning

"at the holly trees"

Origin: Irish Gaelic

Cultural Roots

Irish Scottish American

Quick Stats

Popularity Rank
#1,131
Total SSA Count
187
Syllables
2
Formality
Moderate
Nicknames
Cull, Cully

Playground Safety Score

✓ All Clear
Full profile for Cullen →

Popularity Comparison

Cullen Rank #1,131
Theodore Rank #4

Theodore is more popular, ranked #4 vs #1131 for Cullen.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cullen ___

  • Cullen James
  • Cullen Patrick
  • Cullen Thomas
  • Cullen Edward
  • Cullen Michael
  • Cullen Reid

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 Cullen

Emmett Jasper Alice Rosalie Esme

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 Cullen or Theodore more popular?

Theodore is more popular, ranked #4 compared to Cullen at #1131 in the United States.

What do Cullen and Theodore mean?

Cullen means "at the holly trees" (Irish Gaelic origin). Theodore means "divine gift" (Greek origin).

Are Cullen and Theodore boy or girl names?

Cullen is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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