Otto vs Declan

Baby Name Comparison — 2026

Otto

Boy #274 Most Popular 2 Syllables

"wealth, fortune, prosperity"

Origin: Old High German

German Scandinavian Italian English

✓ All Clear

Boy #131 Most Popular 2 Syllables

"man of prayer"

Origin: Irish Gaelic

Irish English American

✓ All Clear

Otto Rank #274

Declan Rank #131

Declan is more popular, ranked #131 vs #274 for Otto.

Is Otto or Declan more popular?

Declan is more popular, ranked #131 compared to Otto at #274 in the United States.

What do Otto and Declan mean?

Otto means "wealth, fortune, prosperity" (Old High German origin). Declan means "man of prayer" (Irish Gaelic origin).

Are Otto and Declan boy or girl names?

Otto is primarily a boy name. Declan is primarily a boy name.