Rook vs Kior

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 #2,243 Most Popular 2 Syllables

"dark one"

Origin: Scottish Gaelic (via Keir)

American Contemporary

✓ All Clear

Rook Rank #2,371

Kior Rank #2,243

Kior is more popular, ranked #2243 vs #2371 for Rook.

Is Rook or Kior more popular?

Kior is more popular, ranked #2243 compared to Rook at #2371 in the United States.

What do Rook and Kior mean?

Rook means "a crow-like black bird" (Old Norse origin). Kior means "dark one" (Scottish Gaelic (via Keir) origin).

Are Rook and Kior boy or girl names?

Rook is primarily a boy name. Kior is primarily a boy name.