Declan vs Dylan

Baby Name Comparison — 2026

Declan

Boy #131 Most Popular 2 Syllables

"man of prayer"

Origin: Irish Gaelic

Irish English American

✓ All Clear

Boy #28 Most Popular 2 Syllables

"son of the sea"

Origin: Welsh mythology

Welsh English American Irish

✓ All Clear

Declan Rank #131

Dylan Rank #28

Dylan is more popular, ranked #28 vs #131 for Declan.

Is Declan or Dylan more popular?

Dylan is more popular, ranked #28 compared to Declan at #131 in the United States.

What do Declan and Dylan mean?

Declan means "man of prayer" (Irish Gaelic origin). Dylan means "son of the sea" (Welsh mythology origin).

Are Declan and Dylan boy or girl names?

Declan is primarily a boy name. Dylan is primarily a boy name.