Cy vs Kior

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 →

Kior

Boy #2,243 Most Popular 2 Syllables

Meaning

"dark one"

Origin: Scottish Gaelic (via Keir)

Cultural Roots

American Contemporary

Quick Stats

Popularity Rank
#2,243
Total SSA Count
64
Syllables
2
Formality
Moderate

Playground Safety Score

✓ All Clear
Full profile for Kior →

Popularity Comparison

Cy Rank #2,349
Kior Rank #2,243

Kior is more popular, ranked #2243 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

Kior ___

  • Kior James
  • Kior Lee
  • Kior Blake
  • Kior Reid
  • Kior Cole
  • Kior Ash

Sibling Name Ideas

Names that pair well as siblings.

If you choose Cy

Beau Rex Axel June Nova

If you choose Kior

Zion Kael Nova Lyric Atlas

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 Kior more popular?

Kior is more popular, ranked #2243 compared to Cy at #2349 in the United States.

What do Cy and Kior mean?

Cy means "sun, shepherd" (Old Persian (via Cyrus) origin). Kior means "dark one" (Scottish Gaelic (via Keir) origin).

Are Cy and Kior boy or girl names?

Cy is primarily a boy name. Kior is primarily a boy name.

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