Ace vs Theodore

Baby Name Comparison — 2026

Ace

Boy #165 Most Popular 1 Syllable

Meaning

"unity; the best; one"

Origin: Latin via Old French

Cultural Roots

American English Australian

Quick Stats

Popularity Rank
#165
Total SSA Count
2,203
Syllables
1
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Ace →

Popularity Comparison

Ace Rank #165
Theodore Rank #4

Theodore is more popular, ranked #4 vs #165 for Ace.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Ace ___

  • Ace James
  • Ace William
  • Ace Thomas
  • Ace Michael
  • Ace Henry
  • Ace Robert

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 Ace

Jett Knox Zara Cruz Mila

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 Ace or Theodore more popular?

Theodore is more popular, ranked #4 compared to Ace at #165 in the United States.

What do Ace and Theodore mean?

Ace means "unity; the best; one" (Latin via Old French origin). Theodore means "divine gift" (Greek origin).

Are Ace and Theodore boy or girl names?

Ace is primarily a boy name. Theodore is primarily a boy name.

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