Sergei vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Sergei Rank #11,632
Theodore Rank #4

Theodore is more popular, ranked #4 vs #11632 for Sergei.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Sergei ___

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 Sergei

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 Sergei or Theodore more popular?

Theodore is more popular, ranked #4 compared to Sergei at #11632 in the United States.

What do Sergei and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Sergei and Theodore boy or girl names?

Sergei is primarily a boy name. Theodore is primarily a boy name.

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