Dylan vs Declan

Baby Name Comparison — 2026

Dylan

Boy #28 Most Popular 2 Syllables

"son of the sea"

Origin: Welsh mythology

Welsh English American Irish

✓ All Clear

Boy #131 Most Popular 2 Syllables

"man of prayer"

Origin: Irish Gaelic

Irish English American

✓ All Clear

Dylan Rank #28

Declan Rank #131

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

Is Dylan or Declan more popular?

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

What do Dylan and Declan mean?

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

Are Dylan and Declan boy or girl names?

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