A parish kept alive in print. History lives in every pew. F. Byrne's memorial history of the Church of Our Lady of Perpetual Help (Mission Church), Roxbury, Massachusetts, 1871-1921, reads as both a religious memorial book and a careful parish anniversary collection. It traces a congregation's development, devotional practice and civic presence across formative decades, blending documentary notice with anecdote to present a vivid picture of 19th-century Catholicism in Boston. As a source for Catholic church history and Boston church heritage, the volume places the mission church legacy against the sweep of urban and ecclesiastical change. Readers interested in historical church architecture encounter sustained attention to the building's role in neighbourhood life, while those using it as a genealogy research resource or tracing Catholic family history value parish-level detail that links names, dates and communal memory to Roxbury Massachusetts history. The book privileges local church communities and parish commemoration, offering material that complements American Catholic archives and municipal records without losing the texture of personal devotion. Its detailed chronicle offers useful context for studies of immigrant parish formation and the integration of Catholic communities into American civic life. Both casual readers and specialists find the balance of narrative and record rewarding. Republished by Alpha Editions in a careful modern edition, this volume preserves the spirit of the original while making it effortless to enjoy today - a heritage title prepared for readers and collectors alike. Its literary and historical significance rests in the dual character of the text: part commemorative portrait, part archival record, it illuminates how faith, architecture and immigrant life shaped a Boston neighbourhood. In private libraries and research collections alike it sits comfortably as both readable memorial and reliable reference. It belongs on the shelves of anyone curious about parish life, immigrant faith and the architectural presence of Catholic institutions in American cities; casual readers drawn to Boston history and classic-literature collectors alike find reward in its human sketches and documentary depth.