Oliver vs Declan

Baby Name Comparison — 2026

Oliver

Boy #3 Most Popular 3 Syllables

"olive tree"

Origin: Latin

English French Scandinavian

✓ All Clear

Boy #131 Most Popular 2 Syllables

"man of prayer"

Origin: Irish Gaelic

Irish English American

✓ All Clear

Oliver Rank #3

Declan Rank #131

Oliver is more popular, ranked #3 vs #131 for Declan.

Is Oliver or Declan more popular?

Oliver is more popular, ranked #3 compared to Declan at #131 in the United States.

What do Oliver and Declan mean?

Oliver means "olive tree" (Latin origin). Declan means "man of prayer" (Irish Gaelic origin).

Are Oliver and Declan boy or girl names?

Oliver is primarily a boy name. Declan is primarily a boy name.