Zack vs Sidney

Baby Name Comparison — 2026

Zack

Boy #1,388 Most Popular 1 Syllable

"God has remembered"

Origin: Hebrew

English American Hebrew

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Boy #1,374 Most Popular 2 Syllables

"from Saint Denis"

Origin: Anglo-Norman French

English American Australian

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Zack Rank #1,388

Sidney Rank #1,374

Sidney is more popular, ranked #1374 vs #1388 for Zack.

Is Zack or Sidney more popular?

Sidney is more popular, ranked #1374 compared to Zack at #1388 in the United States.

What do Zack and Sidney mean?

Zack means "God has remembered" (Hebrew origin). Sidney means "from Saint Denis" (Anglo-Norman French origin).

Are Zack and Sidney boy or girl names?

Zack is primarily a boy name. Sidney is primarily a boy name.