Sumio vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Sumio Rank #38,520
Theodore Rank #4

Theodore is more popular, ranked #4 vs #38520 for Sumio.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Sumio ___

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 Sumio

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 Sumio or Theodore more popular?

Theodore is more popular, ranked #4 compared to Sumio at #38520 in the United States.

What do Sumio and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Sumio and Theodore boy or girl names?

Sumio is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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