Siwoo vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Siwoo Rank #32,793
Theodore Rank #4

Theodore is more popular, ranked #4 vs #32793 for Siwoo.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Siwoo ___

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 Siwoo

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 Siwoo or Theodore more popular?

Theodore is more popular, ranked #4 compared to Siwoo at #32793 in the United States.

What do Siwoo and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Siwoo and Theodore boy or girl names?

Siwoo is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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