Callister vs Liam

Baby Name Comparison — 2026

Callister

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Boy #1 Most Popular 2 Syllables

"strong-willed warrior"

Origin: Irish

Irish English American

✓ All Clear

Callister Rank #43,579

Liam Rank #1

Liam is more popular, ranked #1 vs #43579 for Callister.

Is Callister or Liam more popular?

Liam is more popular, ranked #1 compared to Callister at #43579 in the United States.

What do Callister and Liam mean?

Callister means "defender of men" (Greek via Gaelic origin). Liam means "strong-willed warrior" (Irish origin).

Are Callister and Liam boy or girl names?

Callister is primarily a boy name. Liam is primarily a boy name.