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Callister vs Alaster

Baby Name Comparison — 2026

Callister

Boy #43,579 Most Popular 3 Syllables

Meaning

"defender of men"

Origin: Greek via Gaelic

Cultural Roots

Scottish Manx Irish

Quick Stats

Popularity Rank
#43,579
Total SSA Count
5
Syllables
3
Formality
Moderate

Playground Safety Score

All Clear

Alaster

Boy #5,903 Most Popular 3 Syllables

Meaning

"defender of men, protector of mankind"

Origin: Greek via Scottish Gaelic

Cultural Roots

Scottish Irish English Celtic

Quick Stats

Popularity Rank
#5,903
Total SSA Count
16
Syllables
3
Formality
Formal

Playground Safety Score

All Clear

Similar Names

Popularity Comparison

Callister Rank #43,579
Alaster Rank #5,903

Alaster is more popular, ranked #5903 vs #43579 for Callister.

Frequently Asked Questions

Is Callister or Alaster more popular?

Alaster is more popular, ranked #5903 compared to Callister at #43579 in the United States.

What do Callister and Alaster mean?

Callister means "defender of men" (Greek via Gaelic origin). Alaster means "defender of men, protector of mankind" (Greek via Scottish Gaelic origin).

Are Callister and Alaster boy or girl names?

Callister is primarily a boy name. Alaster is primarily a boy name.

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