Callister vs Obi

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 #3,834 Most Popular 2 Syllables

"child born at a prosperous time"

Origin: Igbo

Igbo Nigerian African English

✓ All Clear

Callister Rank #43,579

Obi Rank #3,834

Obi is more popular, ranked #3834 vs #43579 for Callister.

Is Callister or Obi more popular?

Obi is more popular, ranked #3834 compared to Callister at #43579 in the United States.

What do Callister and Obi mean?

Callister means "defender of men" (Greek via Gaelic origin). Obi means "child born at a prosperous time" (Igbo origin).

Are Callister and Obi boy or girl names?

Callister is primarily a boy name. Obi is primarily a boy name.