Fidelio vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Fidelio Rank #17,410
Theodore Rank #4

Theodore is more popular, ranked #4 vs #17410 for Fidelio.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Fidelio ___

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 Fidelio

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 Fidelio or Theodore more popular?

Theodore is more popular, ranked #4 compared to Fidelio at #17410 in the United States.

What do Fidelio and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Fidelio and Theodore boy or girl names?

Fidelio is primarily a boy name. Theodore is primarily a boy name.

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