Thomas vs Isaac

Baby Name Comparison — 2026

Thomas

Boy #39 Most Popular 2 Syllables

"Twin"

Origin: Aramaic

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Boy #40 Most Popular 3 Syllables

"He will laugh; laughter"

Origin: Hebrew

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Thomas Rank #39

Isaac Rank #40

Thomas is more popular, ranked #39 vs #40 for Isaac.

Is Thomas or Isaac more popular?

Thomas is more popular, ranked #39 compared to Isaac at #40 in the United States.

What do Thomas and Isaac mean?

Thomas means "Twin" (Aramaic origin). Isaac means "He will laugh; laughter" (Hebrew origin).

Are Thomas and Isaac boy or girl names?

Thomas is primarily a boy name. Isaac is primarily a boy name.