St Mark Church

Willowbrook, Illinois

Address

455 79th St

Denomination

Catholic

Service times

Sun

9:00 AM Mass11:00 AM Mass

Mon–Fri

9:15 AM Mass

Mon

7:30 PM Mass

Fri

6:15 AM Mass

Sat

8:00 AM Mass9:00 AM Mass5:30 PM Mass

Languages

english

Last updated September 2026

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5,000-20,000

estimated members

This is likely one of 52 Catholic congregations in DuPage County, IL. Catholic accounts for 10% of the county's 532 congregations.

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

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