St. Mary of the Assumption

Philadelphia, Delaware

Address

Lancaster Pike

Denomination

Catholic

Phone

(302) 239-7100

Last updated May 2026

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Map showing location of St. Mary of the Assumption

1,000-5,000

estimated members

This is likely one of 34 Catholic congregations in New Castle County, DE. Catholic accounts for 54% of the county's 484 congregations.

This estimate comes from ARDA 2020 data for churches of this size and denomination in the county.

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