Callister vs Obsidian

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 #5,079 Most Popular 4 Syllables

"volcanic black glass"

Origin: Latin

American English

✓ All Clear

Callister Rank #43,579

Obsidian Rank #5,079

Obsidian is more popular, ranked #5079 vs #43579 for Callister.

Is Callister or Obsidian more popular?

Obsidian is more popular, ranked #5079 compared to Callister at #43579 in the United States.

What do Callister and Obsidian mean?

Callister means "defender of men" (Greek via Gaelic origin). Obsidian means "volcanic black glass" (Latin origin).

Are Callister and Obsidian boy or girl names?

Callister is primarily a boy name. Obsidian is primarily a boy name.