Thaddaeus vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Thaddaeus Rank #5,721
Theodore Rank #4

Theodore is more popular, ranked #4 vs #5721 for Thaddaeus.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Thaddaeus ___

  • Thaddaeus James
  • Thaddaeus William
  • Thaddaeus John
  • Thaddaeus Michael
  • Thaddaeus Joseph
  • Thaddaeus Henry

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 Thaddaeus

Barnabas Cornelius Sebastian Bartholomew Philippa

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 Thaddaeus or Theodore more popular?

Theodore is more popular, ranked #4 compared to Thaddaeus at #5721 in the United States.

What do Thaddaeus and Theodore mean?

Thaddaeus means "heart, courageous heart" (Aramaic origin). Theodore means "divine gift" (Greek origin).

Are Thaddaeus and Theodore boy or girl names?

Thaddaeus is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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