Duffy vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Duffy Rank #33,968
Theodore Rank #4

Theodore is more popular, ranked #4 vs #33968 for Duffy.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Duffy ___

No pairings available yet.

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 Duffy

No sibling data available yet.

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 Duffy or Theodore more popular?

Theodore is more popular, ranked #4 compared to Duffy at #33968 in the United States.

What do Duffy and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Duffy and Theodore boy or girl names?

Duffy is primarily a boy name. Theodore is primarily a boy name.

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