Wiliam vs Siar

Baby Name Comparison — 2026

Wiliam

Boy #6,634 Most Popular 3 Syllables

"resolute protector, determined guardian"

Origin: Old High German Willahelm

English American French German Irish

✓ All Clear

Boy #6,591 Most Popular 1 Syllable

"westward, to the west"

Origin: Irish Gaelic

Irish Scottish Celtic

✓ All Clear

Wiliam Rank #6,634

Siar Rank #6,591

Siar is more popular, ranked #6591 vs #6634 for Wiliam.

Is Wiliam or Siar more popular?

Siar is more popular, ranked #6591 compared to Wiliam at #6634 in the United States.

What do Wiliam and Siar mean?

Wiliam means "resolute protector, determined guardian" (Old High German Willahelm origin). Siar means "westward, to the west" (Irish Gaelic origin).

Are Wiliam and Siar boy or girl names?

Wiliam is primarily a boy name. Siar is primarily a boy name.