Isaac vs Lucas

Baby Name Comparison — 2026

Isaac

Boy #40 Most Popular 3 Syllables

"He will laugh; laughter"

Origin: Hebrew

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Boy #9 Most Popular 2 Syllables

"from Lucania"

Origin: Latin

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Isaac Rank #40

Lucas Rank #9

Lucas is more popular, ranked #9 vs #40 for Isaac.

Is Isaac or Lucas more popular?

Lucas is more popular, ranked #9 compared to Isaac at #40 in the United States.

What do Isaac and Lucas mean?

Isaac means "He will laugh; laughter" (Hebrew origin). Lucas means "from Lucania" (Latin origin).

Are Isaac and Lucas boy or girl names?

Isaac is primarily a boy name. Lucas is primarily a boy name.