Declan vs Olas

Baby Name Comparison — 2026

Declan

Boy #131 Most Popular 2 Syllables

"man of prayer"

Origin: Irish Gaelic

Irish English American

✓ All Clear

Boy #34,835 Most Popular 2 Syllables

"ancestor's relic, heir of ancestors"

Origin: Old Norse anu + leifr

Scandinavian Norwegian Swedish Danish

✓ All Clear

Declan Rank #131

Olas Rank #34,835

Declan is more popular, ranked #131 vs #34835 for Olas.

Is Declan or Olas more popular?

Declan is more popular, ranked #131 compared to Olas at #34835 in the United States.

What do Declan and Olas mean?

Declan means "man of prayer" (Irish Gaelic origin). Olas means "ancestor's relic, heir of ancestors" (Old Norse anu + leifr origin).

Are Declan and Olas boy or girl names?

Declan is primarily a boy name. Olas is primarily a boy name.