City Mission Society

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The City Mission Society was a social justice agency founded in 1816 by the congregations of Old South Church and Park Street Church with a mission to serve the urban poor of metropolitan Boston, Massachusetts. In 2023 it decided to close: the final service was celebrated at Old South Church which received its assets and will continue some of its programs. The archives were moved to the Congregational Library in Boston.{{Cite web |title=Citymission |url=https://citymissionboston.org/ |archive-url=https://web.archive.org/web/20151113005004/http://citymissionboston.org/ |url-status=usurped |archive-date=November 13, 2015 |access-date=2024-11-26 |website=citymissionboston.org}}

City Mission Society had been a party to the establishment of programs serving children and families, and has helped to found several now independent schools and social service agencies.