William vs Thomas

Baby Name Comparison — 2026

William

Boy #10 Most Popular 3 Syllables

"resolute protector, strong-willed guardian"

Origin: Germanic

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Boy #39 Most Popular 2 Syllables

"Twin"

Origin: Aramaic

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William Rank #10

Thomas Rank #39

William is more popular, ranked #10 vs #39 for Thomas.

Is William or Thomas more popular?

William is more popular, ranked #10 compared to Thomas at #39 in the United States.

What do William and Thomas mean?

William means "resolute protector, strong-willed guardian" (Germanic origin). Thomas means "Twin" (Aramaic origin).

Are William and Thomas boy or girl names?

William is primarily a boy name. Thomas is primarily a boy name.