Callister vs Milo

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 #120 Most Popular 2 Syllables

"soldier, merciful"

Origin: Germanic

English German American Australian

✓ All Clear

Callister Rank #43,579

Milo Rank #120

Milo is more popular, ranked #120 vs #43579 for Callister.

Is Callister or Milo more popular?

Milo is more popular, ranked #120 compared to Callister at #43579 in the United States.

What do Callister and Milo mean?

Callister means "defender of men" (Greek via Gaelic origin). Milo means "soldier, merciful" (Germanic origin).

Are Callister and Milo boy or girl names?

Callister is primarily a boy name. Milo is primarily a boy name.