Declan vs Knox

Baby Name Comparison — 2026

Declan

Boy #131 Most Popular 2 Syllables

"man of prayer"

Origin: Irish Gaelic

Irish English American

✓ All Clear

Boy #209 Most Popular 1 Syllable

"round hill"

Origin: Old English/Scottish

American Scottish English

✓ All Clear

Declan Rank #131

Knox Rank #209

Declan is more popular, ranked #131 vs #209 for Knox.

Is Declan or Knox more popular?

Declan is more popular, ranked #131 compared to Knox at #209 in the United States.

What do Declan and Knox mean?

Declan means "man of prayer" (Irish Gaelic origin). Knox means "round hill" (Old English/Scottish origin).

Are Declan and Knox boy or girl names?

Declan is primarily a boy name. Knox is primarily a boy name.