Kior vs Rook

Baby Name Comparison — 2026

Kior

Boy #2,243 Most Popular 2 Syllables

"dark one"

Origin: Scottish Gaelic (via Keir)

American Contemporary

✓ All Clear

Boy #2,371 Most Popular 1 Syllable

"a crow-like black bird"

Origin: Old Norse

English American

✓ All Clear

Kior Rank #2,243

Rook Rank #2,371

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

Is Kior or Rook more popular?

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

What do Kior and Rook mean?

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

Are Kior and Rook boy or girl names?

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