Jett vs Jack

Baby Name Comparison — 2026

Jett

Boy #161 Most Popular 1 Syllable

"black gemstone; jet"

Origin: English

American Australian English

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Boy #15 Most Popular 1 Syllable

"supplanter"

Origin: Hebrew

English Irish American Australian

✓ All Clear

Jett Rank #161

Jack Rank #15

Jack is more popular, ranked #15 vs #161 for Jett.

Is Jett or Jack more popular?

Jack is more popular, ranked #15 compared to Jett at #161 in the United States.

What do Jett and Jack mean?

Jett means "black gemstone; jet" (English origin). Jack means "supplanter" (Hebrew origin).

Are Jett and Jack boy or girl names?

Jett is primarily a boy name. Jack is primarily a boy name.