Declan vs Aidan

Baby Name Comparison — 2026

Declan

Boy #131 Most Popular 2 Syllables

"man of prayer"

Origin: Irish Gaelic

Irish English American

✓ All Clear

Boy #312 Most Popular 2 Syllables

Irish Scottish English American

✓ All Clear

Declan Rank #131

Aidan Rank #312

Declan is more popular, ranked #131 vs #312 for Aidan.

Is Declan or Aidan more popular?

Declan is more popular, ranked #131 compared to Aidan at #312 in the United States.

What do Declan and Aidan mean?

Declan means "man of prayer" (Irish Gaelic origin).

Are Declan and Aidan boy or girl names?

Declan is primarily a boy name. Aidan is primarily a boy name.