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Casey vs Declan

Baby Name Comparison — 2026

Popularity Comparison

Casey Rank #310
Declan Rank #131

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

Frequently Asked Questions

Is Casey or Declan more popular?

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

What do Casey and Declan mean?

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

Are Casey and Declan boy or girl names?

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

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← Full profile: Casey ← Full profile: Declan Browse all baby names