Liam vs Isaac

Baby Name Comparison — 2026

Liam

Boy #1 Most Popular 2 Syllables

"strong-willed warrior"

Origin: Irish

Irish English American

✓ All Clear

Boy #40 Most Popular 3 Syllables

"He will laugh; laughter"

Origin: Hebrew

English Jewish Spanish French

✓ All Clear

Liam Rank #1

Isaac Rank #40

Liam is more popular, ranked #1 vs #40 for Isaac.

Is Liam or Isaac more popular?

Liam is more popular, ranked #1 compared to Isaac at #40 in the United States.

What do Liam and Isaac mean?

Liam means "strong-willed warrior" (Irish origin). Isaac means "He will laugh; laughter" (Hebrew origin).

Are Liam and Isaac boy or girl names?

Liam is primarily a boy name. Isaac is primarily a boy name.