Louisa vs Theodore

Baby Name Comparison — 2026

Louisa

Girl #733 Most Popular 3 Syllables

Meaning

"famous warrior"

Origin: Old Frankish/Germanic

Cultural Roots

English German French Italian Spanish

Quick Stats

Popularity Rank
#733
Total SSA Count
383
Syllables
3
Formality
Formal
Nicknames
Lou, Louie, Lulu

Playground Safety Score

✓ All Clear
Full profile for Louisa →

Popularity Comparison

Louisa Rank #733
Theodore Rank #4

Theodore is more popular, ranked #4 vs #733 for Louisa.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Louisa ___

  • Louisa May
  • Louisa Grace
  • Louisa Anne
  • Louisa Claire
  • Louisa Jane
  • Louisa Rose

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 Louisa

Josephine Eleanor Frederick Arthur Harriet

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 Louisa or Theodore more popular?

Theodore is more popular, ranked #4 compared to Louisa at #733 in the United States.

What do Louisa and Theodore mean?

Louisa means "famous warrior" (Old Frankish/Germanic origin). Theodore means "divine gift" (Greek origin).

Are Louisa and Theodore boy or girl names?

Louisa is primarily a girl name. Theodore is primarily a boy name.

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