Saint Mary of the Assumption Parish
Boston, Massachusetts
DenominationCatholic
Phone(617) 734-0444
Services
Mass
Sat4:00 PM
Sun7:30 AM, 9:00 AM, 11:00 AM, 5:30 PM
Daily Mass
Mon–Fri7:30 AM
Sat8:00 AM
Last updated May 2026

~5,821
estimated members
Based on ARDA 2020 data, this is likely one of 51 Catholic congregations in Norfolk County, MA, with an average size of approximately 5,821 members. Catholic accounts for 77% of the county's 370 congregations.
Source: ARDA 2020 Religious Congregations & Membership Study
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