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Declan vs Casey

Baby Name Comparison — 2026

Popularity Comparison

Declan Rank #131
Casey Rank #310

Declan is more popular, ranked #131 vs #310 for Casey.

Frequently Asked Questions

Is Declan or Casey more popular?

Declan is more popular, ranked #131 compared to Casey at #310 in the United States.

What do Declan and Casey mean?

Declan means "man of prayer" (Irish Gaelic origin).

Are Declan and Casey boy or girl names?

Declan is primarily a boy name. Casey is primarily a boy name.

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