Thadius vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Thadius Rank #16,176
Theodore Rank #4

Theodore is more popular, ranked #4 vs #16176 for Thadius.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Thadius ___

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 Thadius

No sibling data available yet.

If you choose Theodore

Olivia Charlotte Amelia Eleanor Oliver

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Thadius or Theodore more popular?

Theodore is more popular, ranked #4 compared to Thadius at #16176 in the United States.

What do Thadius and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Thadius and Theodore boy or girl names?

Thadius is primarily a boy name. Theodore is primarily a boy name.

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