Iszac vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Iszac Rank #22,632
Theodore Rank #4

Theodore is more popular, ranked #4 vs #22632 for Iszac.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Iszac ___

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 Iszac

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 Iszac or Theodore more popular?

Theodore is more popular, ranked #4 compared to Iszac at #22632 in the United States.

What do Iszac and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Iszac and Theodore boy or girl names?

Iszac is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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