Declan vs Isaiah

Baby Name Comparison — 2026

Declan

Boy #131 Most Popular 2 Syllables

"man of prayer"

Origin: Irish Gaelic

Irish English American

✓ All Clear

Boy #56 Most Popular 3 Syllables

"the Lord saves"

Origin: Hebrew

Hebrew English African American

✓ All Clear

Declan Rank #131

Isaiah Rank #56

Isaiah is more popular, ranked #56 vs #131 for Declan.

Is Declan or Isaiah more popular?

Isaiah is more popular, ranked #56 compared to Declan at #131 in the United States.

What do Declan and Isaiah mean?

Declan means "man of prayer" (Irish Gaelic origin). Isaiah means "the Lord saves" (Hebrew origin).

Are Declan and Isaiah boy or girl names?

Declan is primarily a boy name. Isaiah is primarily a boy name.