Cy vs Kior

Baby Name Comparison — 2026

Cy

Boy #2,349 Most Popular 1 Syllable

"sun, shepherd"

Origin: Old Persian (via Cyrus)

American Western Persian

✓ All Clear

Boy #2,243 Most Popular 2 Syllables

"dark one"

Origin: Scottish Gaelic (via Keir)

American Contemporary

✓ All Clear

Cy Rank #2,349

Kior Rank #2,243

Kior is more popular, ranked #2243 vs #2349 for Cy.

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.