Moon vs Theodore

Baby Name Comparison — 2026

Moon

Girl #3,340 Most Popular 1 Syllable

Meaning

"the moon, Earth's natural satellite"

Origin: Old English

Cultural Roots

American Korean Vietnamese

Quick Stats

Popularity Rank
#3,340
Total SSA Count
47
Syllables
1
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Moon →

Popularity Comparison

Moon Rank #3,340
Theodore Rank #4

Theodore is more popular, ranked #4 vs #3340 for Moon.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Moon ___

  • Moon River
  • Moon Sage
  • Moon Willow
  • Moon Azure
  • Moon Celeste
  • Moon June

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 Moon

Sun Star River Soleil Luna

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 Moon or Theodore more popular?

Theodore is more popular, ranked #4 compared to Moon at #3340 in the United States.

What do Moon and Theodore mean?

Moon means "the moon, Earth's natural satellite" (Old English origin). Theodore means "divine gift" (Greek origin).

Are Moon and Theodore boy or girl names?

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

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