Sully vs Theodore

Baby Name Comparison — 2026

Sully

Boy #3,579 Most Popular 2 Syllables

Meaning

"descendant of the dark-eyed one"

Origin: Irish Gaelic

Cultural Roots

Irish English American

Quick Stats

Popularity Rank
#3,579
Total SSA Count
32
Syllables
2
Formality
Casual
Nicknames
Sul

Playground Safety Score

✓ All Clear
Full profile for Sully →

Popularity Comparison

Sully Rank #3,579
Theodore Rank #4

Theodore is more popular, ranked #4 vs #3579 for Sully.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Sully ___

  • Sully James
  • Sully Patrick
  • Sully Thomas
  • Sully Michael
  • Sully John
  • Sully Finn

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 Sully

Finn Declan Liam Nora Maeve

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 Sully or Theodore more popular?

Theodore is more popular, ranked #4 compared to Sully at #3579 in the United States.

What do Sully and Theodore mean?

Sully means "descendant of the dark-eyed one" (Irish Gaelic origin). Theodore means "divine gift" (Greek origin).

Are Sully and Theodore boy or girl names?

Sully is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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