Declan vs Adam

Baby Name Comparison — 2026

Declan

Boy #131 Most Popular 2 Syllables

"man of prayer"

Origin: Irish Gaelic

Irish English American

✓ All Clear

Boy #100 Most Popular 2 Syllables

"man, mankind, human"

Origin: Hebrew (adamah, earth)

Hebrew English Arabic Christian Jewish Muslim

✓ All Clear

Declan Rank #131

Adam Rank #100

Adam is more popular, ranked #100 vs #131 for Declan.

Is Declan or Adam more popular?

Adam is more popular, ranked #100 compared to Declan at #131 in the United States.

What do Declan and Adam mean?

Declan means "man of prayer" (Irish Gaelic origin). Adam means "man, mankind, human" (Hebrew (adamah, earth) origin).

Are Declan and Adam boy or girl names?

Declan is primarily a boy name. Adam is primarily a boy name.