St. Mary - St. Catherine of Siena

Name: St. Mary - St. Catherine of Siena
Address: 46 Winthrop St, Charlestown, MA 02129, Boston, MA, US
Telephone: (617) 242-4664

Boston, Massachusetts

Address46 Winthrop St, Charlestown, MA 02129

DenominationCatholic

Phone(617) 242-4664

Last updated May 2026

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Map showing location of St. Mary - St. Catherine of Siena

~6,100

estimated members

Based on ARDA 2020 data, this is likely one of 54 Catholic congregations in Suffolk County, MA, with an average size of approximately 6,100 members. Catholic accounts for 70% of the county's 496 congregations.

Source: ARDA 2020 Religious Congregations & Membership Study

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