Jo vs Theodore

Baby Name Comparison — 2026

Jo

Girl #4,308 Most Popular 1 Syllable

Meaning

"God will add, God will increase"

Origin: Hebrew

Cultural Roots

English American Dutch

Quick Stats

Popularity Rank
#4,308
Total SSA Count
33
Syllables
1
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Jo →

Popularity Comparison

Jo Rank #4,308
Theodore Rank #4

Theodore is more popular, ranked #4 vs #4308 for Jo.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Jo ___

  • Jo Ellen
  • Jo Marie
  • Jo Ann
  • Jo Louise
  • Jo Elise
  • Jo Catherine

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 Jo

Meg Beth Amy Scout Finn

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 Jo or Theodore more popular?

Theodore is more popular, ranked #4 compared to Jo at #4308 in the United States.

What do Jo and Theodore mean?

Jo means "God will add, God will increase" (Hebrew origin). Theodore means "divine gift" (Greek origin).

Are Jo and Theodore boy or girl names?

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

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