Caillou vs Theodore

Baby Name Comparison — 2026

Caillou

Boy #25,991 Most Popular

Quick Stats

Popularity Rank: #25,991
Total SSA Count: 5
Nicknames: Cai, Cail, Caily

Playground Safety Score

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Similar Names

Davius Padro Handy Garion

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Theodore

Boy #4 Most Popular 3 Syllables

Meaning

"divine gift"

Origin: Greek

Cultural Roots

English French Greek

Quick Stats

Popularity Rank: #4
Total SSA Count: 12,011
Syllables: 3
Formality: Formal
Nicknames: Theo, Teddy, Ted

Playground Safety Score

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Similar Names

Thomas River Luis David

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Popularity Comparison

Caillou Rank #25,991

Theodore Rank #4

Theodore is more popular, ranked #4 vs #25991 for Caillou.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Caillou ___

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 Caillou

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 Caillou or Theodore more popular?

Theodore is more popular, ranked #4 compared to Caillou at #25991 in the United States.

What do Caillou and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Caillou and Theodore boy or girl names?

Caillou is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

Theodore vs Caillou Caillou vs Davius Caillou vs Padro Caillou vs Handy Caillou vs Garion

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