Koi vs Callister

Baby Name Comparison — 2026

Koi

Boy #2,684 Most Popular 1 Syllable

"love, romantic feeling"

Origin: Japanese

Japanese American Hawaiian

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Koi Rank #2,684

Callister Rank #43,579

Koi is more popular, ranked #2684 vs #43579 for Callister.

Is Koi or Callister more popular?

Koi is more popular, ranked #2684 compared to Callister at #43579 in the United States.

What do Koi and Callister mean?

Koi means "love, romantic feeling" (Japanese origin). Callister means "defender of men" (Greek via Gaelic origin).

Are Koi and Callister boy or girl names?

Koi is primarily a boy name. Callister is primarily a boy name.