Rook vs Kailo

Baby Name Comparison — 2026

Rook

Boy #2,371 Most Popular 1 Syllable

"a crow-like black bird"

Origin: Old Norse

English American

✓ All Clear

Boy #2,249 Most Popular 2 Syllables

"sea, ocean"

Origin: Hawaiian

American Contemporary Hawaiian

✓ All Clear

Rook Rank #2,371

Kailo Rank #2,249

Kailo is more popular, ranked #2249 vs #2371 for Rook.

Is Rook or Kailo more popular?

Kailo is more popular, ranked #2249 compared to Rook at #2371 in the United States.

What do Rook and Kailo mean?

Rook means "a crow-like black bird" (Old Norse origin). Kailo means "sea, ocean" (Hawaiian origin).

Are Rook and Kailo boy or girl names?

Rook is primarily a boy name. Kailo is primarily a boy name.