Otto vs Killian

Baby Name Comparison — 2026

Otto

Boy #274 Most Popular 2 Syllables

"wealth, fortune, prosperity"

Origin: Old High German

German Scandinavian Italian English

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Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

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Otto Rank #274

Killian Rank #370

Otto is more popular, ranked #274 vs #370 for Killian.

Is Otto or Killian more popular?

Otto is more popular, ranked #274 compared to Killian at #370 in the United States.

What do Otto and Killian mean?

Otto means "wealth, fortune, prosperity" (Old High German origin). Killian means "associated with the church" (Irish Gaelic origin).

Are Otto and Killian boy or girl names?

Otto is primarily a boy name. Killian is primarily a boy name.