Cy vs Theodore

Baby Name Comparison — 2026

Cy

Boy #2,349 Most Popular 1 Syllable

Meaning

"sun, shepherd"

Origin: Old Persian (via Cyrus)

Cultural Roots

American Western Persian

Quick Stats

Popularity Rank
#2,349
Total SSA Count
60
Syllables
1
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Cy →

Popularity Comparison

Cy Rank #2,349
Theodore Rank #4

Theodore is more popular, ranked #4 vs #2349 for Cy.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cy ___

  • Cy James
  • Cy Morgan
  • Cy Lee
  • Cy Dean
  • Cy Ray
  • Cy Grant

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 Cy

Beau Rex Axel June Nova

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 Cy or Theodore more popular?

Theodore is more popular, ranked #4 compared to Cy at #2349 in the United States.

What do Cy and Theodore mean?

Cy means "sun, shepherd" (Old Persian (via Cyrus) origin). Theodore means "divine gift" (Greek origin).

Are Cy and Theodore boy or girl names?

Cy is primarily a boy name. Theodore is primarily a boy name.

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