Siyuan vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Siyuan Rank #9,832
Theodore Rank #4

Theodore is more popular, ranked #4 vs #9832 for Siyuan.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Siyuan ___

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 Siyuan

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 Siyuan or Theodore more popular?

Theodore is more popular, ranked #4 compared to Siyuan at #9832 in the United States.

What do Siyuan and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Siyuan and Theodore boy or girl names?

Siyuan is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

Theodore vs Siyuan Siyuan vs Alwyn Siyuan vs Argo Siyuan vs Savier Siyuan vs Alemi
← Full profile: Siyuan ← Full profile: Theodore Browse all baby names