Callister vs Otto

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
Full profile for Callister →

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 →

Popularity Comparison

Callister Rank #43,579
Otto Rank #274

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

Frequently Asked Questions

Is Callister or Otto more popular?

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

What do Callister and Otto mean?

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

Are Callister and Otto boy or girl names?

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

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