Isamu vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Isamu Rank #20,071
Theodore Rank #4

Theodore is more popular, ranked #4 vs #20071 for Isamu.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Isamu ___

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 Isamu

No sibling data available yet.

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 Isamu or Theodore more popular?

Theodore is more popular, ranked #4 compared to Isamu at #20071 in the United States.

What do Isamu and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Isamu and Theodore boy or girl names?

Isamu is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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