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Isaac vs Theodore

Baby Name Comparison — 2026

Isaac

Boy #40 Most Popular 3 Syllables

Meaning

"He will laugh; laughter"

Origin: Hebrew

Cultural Roots

English Jewish Spanish French

Quick Stats

Popularity Rank
#40
Total SSA Count
6,498
Syllables
3
Formality
Moderate

Playground Safety Score

All Clear

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Popularity Comparison

Isaac Rank #40
Theodore Rank #4

Theodore is more popular, ranked #4 vs #40 for Isaac.

Frequently Asked Questions

Is Isaac or Theodore more popular?

Theodore is more popular, ranked #4 compared to Isaac at #40 in the United States.

What do Isaac and Theodore mean?

Isaac means "He will laugh; laughter" (Hebrew origin). Theodore means "divine gift" (Greek origin).

Are Isaac and Theodore boy or girl names?

Isaac is primarily a boy name. Theodore is primarily a boy name.

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