Knox vs Isaac

Baby Name Comparison — 2026

Popularity Comparison

Knox Rank #209
Isaac Rank #40

Isaac is more popular, ranked #40 vs #209 for Knox.

Frequently Asked Questions

Is Knox or Isaac more popular?

Isaac is more popular, ranked #40 compared to Knox at #209 in the United States.

What do Knox and Isaac mean?

Knox means "round hill" (Old English/Scottish origin). Isaac means "He will laugh; laughter" (Hebrew origin).

Are Knox and Isaac boy or girl names?

Knox is primarily a boy name. Isaac is primarily a boy name.

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