Keir vs Siar

Baby Name Comparison — 2026

Keir

Boy #6,610 Most Popular 1 Syllable

"dark one, dark-complexioned"

Origin: Scottish Gaelic ciar

Scottish Irish British

✓ All Clear

Boy #6,591 Most Popular 1 Syllable

"westward, to the west"

Origin: Irish Gaelic

Irish Scottish Celtic

✓ All Clear

Keir Rank #6,610

Siar Rank #6,591

Siar is more popular, ranked #6591 vs #6610 for Keir.

Is Keir or Siar more popular?

Siar is more popular, ranked #6591 compared to Keir at #6610 in the United States.

What do Keir and Siar mean?

Keir means "dark one, dark-complexioned" (Scottish Gaelic ciar origin). Siar means "westward, to the west" (Irish Gaelic origin).

Are Keir and Siar boy or girl names?

Keir is primarily a boy name. Siar is primarily a boy name.