Thomas vs William

Baby Name Comparison — 2026

Thomas

Boy #39 Most Popular 2 Syllables

"Twin"

Origin: Aramaic

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✓ All Clear

Boy #10 Most Popular 3 Syllables

"resolute protector, strong-willed guardian"

Origin: Germanic

English German French

✓ All Clear

Thomas Rank #39

William Rank #10

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

Is Thomas or William more popular?

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

What do Thomas and William mean?

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

Are Thomas and William boy or girl names?

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