St. Mary Church

Chicago, Illinois

Address794 Pearson St, Des Plaines, IL 60016
DenominationCatholic
Phone(847) 824-2026
Emailmymail@mailservice.com

Services

English

Sat4:00 PM, 5:00 PM, 8:00 AM
Sun8:00 AM, 10:00 AM, 12:00 PM
Mon8:00 AM
Tue8:00 AM
Wed8:00 AM
Thu8:00 AM
Fri8:00 AM

Spanish

Sat6:30 PM
Sun12:00 PM
Mon6:00 PM
Tue6:00 PM
Wed6:00 PM
Thu5:45 PM
Fri6:00 PM

Bilingual

Thu6:00 PM
LanguagesSpanish

Last updated May 2026

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Map showing location of St. Mary Church

~4,545

estimated members

Based on ARDA 2020 data, this is likely one of 335 Catholic congregations in Cook County, IL, with an average size of approximately 4,545 members. Catholic accounts for 53% of the county's 3,534 congregations.

Source: ARDA 2020 Religious Congregations & Membership Study

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