Sebastian vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Sebastian Rank #14
Theodore Rank #4

Theodore is more popular, ranked #4 vs #14 for Sebastian.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Sebastian ___

  • Sebastian James
  • Sebastian Alexander
  • Sebastian Cole
  • Sebastian Grey
  • Sebastian Patrick
  • Sebastian Ray

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 Sebastian

Olivia Valentina Maximilian Eleanor Isadora

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 Sebastian or Theodore more popular?

Theodore is more popular, ranked #4 compared to Sebastian at #14 in the United States.

What do Sebastian and Theodore mean?

Sebastian means "from Sebastia" (Latin origin). Theodore means "divine gift" (Greek origin).

Are Sebastian and Theodore boy or girl names?

Sebastian is primarily a boy name. Theodore is primarily a boy name.

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