Casey vs Lucy

Baby Name Comparison — 2026

Casey

Girl #1,055 Most Popular 2 Syllables

"vigilant, watchful"

Origin: Irish Gaelic

Irish American Australian

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Girl #34 Most Popular 2 Syllables

"light"

Origin: Latin Lucia from lux

English Latin French Italian

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Casey Rank #1,055

Lucy Rank #34

Lucy is more popular, ranked #34 vs #1055 for Casey.

Is Casey or Lucy more popular?

Lucy is more popular, ranked #34 compared to Casey at #1055 in the United States.

What do Casey and Lucy mean?

Casey means "vigilant, watchful" (Irish Gaelic origin). Lucy means "light" (Latin Lucia from lux origin).

Are Casey and Lucy boy or girl names?

Casey is primarily a girl name. Lucy is primarily a girl name.