Declan vs Lucas

Baby Name Comparison — 2026

Declan

Boy #131 Most Popular 2 Syllables

"man of prayer"

Origin: Irish Gaelic

Irish English American

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Boy #9 Most Popular 2 Syllables

"from Lucania"

Origin: Latin

English Spanish Portuguese

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Declan Rank #131

Lucas Rank #9

Lucas is more popular, ranked #9 vs #131 for Declan.

Is Declan or Lucas more popular?

Lucas is more popular, ranked #9 compared to Declan at #131 in the United States.

What do Declan and Lucas mean?

Declan means "man of prayer" (Irish Gaelic origin). Lucas means "from Lucania" (Latin origin).

Are Declan and Lucas boy or girl names?

Declan is primarily a boy name. Lucas is primarily a boy name.