Gareth vs Callister

Baby Name Comparison — 2026

Gareth

Boy #2,658 Most Popular 2 Syllables

"gentle, gentleness"

Origin: Welsh

Welsh English British

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Gareth Rank #2,658

Callister Rank #43,579

Gareth is more popular, ranked #2658 vs #43579 for Callister.

Is Gareth or Callister more popular?

Gareth is more popular, ranked #2658 compared to Callister at #43579 in the United States.

What do Gareth and Callister mean?

Gareth means "gentle, gentleness" (Welsh origin). Callister means "defender of men" (Greek via Gaelic origin).

Are Gareth and Callister boy or girl names?

Gareth is primarily a boy name. Callister is primarily a boy name.