William vs Isaiah

Baby Name Comparison — 2026

William

Boy #10 Most Popular 3 Syllables

"resolute protector, strong-willed guardian"

Origin: Germanic

English German French

✓ All Clear

Boy #56 Most Popular 3 Syllables

"the Lord saves"

Origin: Hebrew

Hebrew English African American

✓ All Clear

William Rank #10

Isaiah Rank #56

William is more popular, ranked #10 vs #56 for Isaiah.

Is William or Isaiah more popular?

William is more popular, ranked #10 compared to Isaiah at #56 in the United States.

What do William and Isaiah mean?

William means "resolute protector, strong-willed guardian" (Germanic origin). Isaiah means "the Lord saves" (Hebrew origin).

Are William and Isaiah boy or girl names?

William is primarily a boy name. Isaiah is primarily a boy name.