Lucas vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Lucas Rank #9
Theodore Rank #4

Theodore is more popular, ranked #4 vs #9 for Lucas.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Lucas ___

  • Lucas James
  • Lucas Alexander
  • Lucas Thomas
  • Lucas William
  • Lucas Henry
  • Lucas Oliver

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 Lucas

Olivia Emma Sophia Liam Noah

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 Lucas or Theodore more popular?

Theodore is more popular, ranked #4 compared to Lucas at #9 in the United States.

What do Lucas and Theodore mean?

Lucas means "from Lucania" (Latin origin). Theodore means "divine gift" (Greek origin).

Are Lucas and Theodore boy or girl names?

Lucas is primarily a boy name. Theodore is primarily a boy name.

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