Otto vs Callister

Baby Name Comparison — 2026

Otto

Boy #274 Most Popular 2 Syllables

Meaning

"wealth, fortune, prosperity"

Origin: Old High German

Cultural Roots

German Scandinavian Italian English

Quick Stats

Popularity Rank
#274
Total SSA Count
1,239
Syllables
2
Formality
Moderate

Playground Safety Score

✓ All Clear
Full profile for Otto →

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
Full profile for Callister →

Popularity Comparison

Otto Rank #274
Callister Rank #43,579

Otto is more popular, ranked #274 vs #43579 for Callister.

Frequently Asked Questions

Is Otto or Callister more popular?

Otto is more popular, ranked #274 compared to Callister at #43579 in the United States.

What do Otto and Callister mean?

Otto means "wealth, fortune, prosperity" (Old High German origin). Callister means "defender of men" (Greek via Gaelic origin).

Are Otto and Callister boy or girl names?

Otto is primarily a boy name. Callister is primarily a boy name.

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← Full profile: Otto ← Full profile: Callister Browse all baby names