Lassen vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Lassen Rank #44,645
Theodore Rank #4

Theodore is more popular, ranked #4 vs #44645 for Lassen.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Lassen ___

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 Lassen

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 Lassen or Theodore more popular?

Theodore is more popular, ranked #4 compared to Lassen at #44645 in the United States.

What do Lassen and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Lassen and Theodore boy or girl names?

Lassen is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

Theodore vs Lassen Lassen vs Aeko Lassen vs Aura Lassen vs Gulliver Lassen vs Weslen
← Full profile: Lassen ← Full profile: Theodore Browse all baby names