Keith vs Issac

Baby Name Comparison — 2026

Keith

Boy #758 Most Popular 1 Syllable

"wood, forest"

Origin: Celtic

Scottish English American Australian

✓ All Clear

Boy #856 Most Popular 2 Syllables

"laughter"

Origin: Hebrew

English American Jewish Christian African-American

✓ All Clear

Keith Rank #758

Issac Rank #856

Keith is more popular, ranked #758 vs #856 for Issac.

Is Keith or Issac more popular?

Keith is more popular, ranked #758 compared to Issac at #856 in the United States.

What do Keith and Issac mean?

Keith means "wood, forest" (Celtic origin). Issac means "laughter" (Hebrew origin).

Are Keith and Issac boy or girl names?

Keith is primarily a boy name. Issac is primarily a boy name.