Issac vs Theodore

Baby Name Comparison — 2026

Issac

Boy #856 Most Popular 2 Syllables

Meaning

"laughter"

Origin: Hebrew

Cultural Roots

English American Jewish Christian African-American

Quick Stats

Popularity Rank
#856
Total SSA Count
283
Syllables
2
Formality
Moderate
Nicknames
Ike, Zak, Izzy

Playground Safety Score

✓ All Clear
Full profile for Issac →

Popularity Comparison

Issac Rank #856
Theodore Rank #4

Theodore is more popular, ranked #4 vs #856 for Issac.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Issac ___

  • Issac James
  • Issac Thomas
  • Issac Lee
  • Issac Cole
  • Issac David
  • Issac Aaron

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 Issac

Jacob Elijah Samuel Caleb Naomi

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 Issac or Theodore more popular?

Theodore is more popular, ranked #4 compared to Issac at #856 in the United States.

What do Issac and Theodore mean?

Issac means "laughter" (Hebrew origin). Theodore means "divine gift" (Greek origin).

Are Issac and Theodore boy or girl names?

Issac is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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