Declan vs Aiden

Baby Name Comparison — 2026

Declan

Boy #131 Most Popular 2 Syllables

"man of prayer"

Origin: Irish Gaelic

Irish English American

✓ All Clear

Boy #47 Most Popular 2 Syllables

"Little fire; born of fire"

Origin: Irish Gaelic

Irish English American

✓ All Clear

Declan Rank #131

Aiden Rank #47

Aiden is more popular, ranked #47 vs #131 for Declan.

Is Declan or Aiden more popular?

Aiden is more popular, ranked #47 compared to Declan at #131 in the United States.

What do Declan and Aiden mean?

Declan means "man of prayer" (Irish Gaelic origin). Aiden means "Little fire; born of fire" (Irish Gaelic origin).

Are Declan and Aiden boy or girl names?

Declan is primarily a boy name. Aiden is primarily a boy name.