Cy vs Callister

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 #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Cy Rank #2,349

Callister Rank #43,579

Cy is more popular, ranked #2349 vs #43579 for Callister.

Is Cy or Callister more popular?

Cy is more popular, ranked #2349 compared to Callister at #43579 in the United States.

What do Cy and Callister mean?

Cy means "sun, shepherd" (Old Persian (via Cyrus) origin). Callister means "defender of men" (Greek via Gaelic origin).

Are Cy and Callister boy or girl names?

Cy is primarily a boy name. Callister is primarily a boy name.