Aj vs Callister

Baby Name Comparison — 2026

Aj

Boy #2,341 Most Popular 2 Syllables

"initial-name, typically Andrew James or Anthony John"

Origin: English

American English

✓ All Clear

Boy #43,579 Most Popular 3 Syllables

"defender of men"

Origin: Greek via Gaelic

Scottish Manx Irish

✓ All Clear

Aj Rank #2,341

Callister Rank #43,579

Aj is more popular, ranked #2341 vs #43579 for Callister.

Is Aj or Callister more popular?

Aj is more popular, ranked #2341 compared to Callister at #43579 in the United States.

What do Aj and Callister mean?

Aj means "initial-name, typically Andrew James or Anthony John" (English origin). Callister means "defender of men" (Greek via Gaelic origin).

Are Aj and Callister boy or girl names?

Aj is primarily a boy name. Callister is primarily a boy name.