Sadie vs Casey

Baby Name Comparison — 2026

Sadie

Girl #57 Most Popular 2 Syllables

"diminutive of Sarah"

Origin: Hebrew

English American

✓ All Clear

Girl #1,055 Most Popular 2 Syllables

"vigilant, watchful"

Origin: Irish Gaelic

Irish American Australian

✓ All Clear

Sadie Rank #57

Casey Rank #1,055

Sadie is more popular, ranked #57 vs #1055 for Casey.

Is Sadie or Casey more popular?

Sadie is more popular, ranked #57 compared to Casey at #1055 in the United States.

What do Sadie and Casey mean?

Sadie means "diminutive of Sarah" (Hebrew origin). Casey means "vigilant, watchful" (Irish Gaelic origin).

Are Sadie and Casey boy or girl names?

Sadie is primarily a girl name. Casey is primarily a girl name.