Isac vs Theodore

Baby Name Comparison — 2026

Isac

Boy #4,174 Most Popular 2 Syllables

Meaning

"he will laugh, laughter"

Origin: Hebrew

Cultural Roots

Hebrew Scandinavian Christian Jewish American

Quick Stats

Popularity Rank
#4,174
Total SSA Count
26
Syllables
2
Formality
Moderate
Nicknames
Ike, Iz

Playground Safety Score

✓ All Clear
Full profile for Isac →

Popularity Comparison

Isac Rank #4,174
Theodore Rank #4

Theodore is more popular, ranked #4 vs #4174 for Isac.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Isac ___

  • Isac James
  • Isac Cole
  • Isac River
  • Isac Thomas
  • Isac William

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 Isac

Eli Noah Abigail Hannah Samuel

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 Isac or Theodore more popular?

Theodore is more popular, ranked #4 compared to Isac at #4174 in the United States.

What do Isac and Theodore mean?

Isac means "he will laugh, laughter" (Hebrew origin). Theodore means "divine gift" (Greek origin).

Are Isac and Theodore boy or girl names?

Isac is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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