Osamu vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Osamu Rank #32,395
Theodore Rank #4

Theodore is more popular, ranked #4 vs #32395 for Osamu.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Osamu ___

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 Osamu

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 Osamu or Theodore more popular?

Theodore is more popular, ranked #4 compared to Osamu at #32395 in the United States.

What do Osamu and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Osamu and Theodore boy or girl names?

Osamu is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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