Lucy vs Casey

Baby Name Comparison — 2026

Lucy

Girl #34 Most Popular 2 Syllables

"light"

Origin: Latin Lucia from lux

English Latin French Italian

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Girl #1,055 Most Popular 2 Syllables

"vigilant, watchful"

Origin: Irish Gaelic

Irish American Australian

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Lucy Rank #34

Casey Rank #1,055

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

Is Lucy or Casey more popular?

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

What do Lucy and Casey mean?

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

Are Lucy and Casey boy or girl names?

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