This series contains records related to the ministry in Mount St. Patrick Ontario, conducted by the Sisters of St. Joseph in the Pembroke diocese. There are histories, newsclippings, financial accounts from 1957-1962, correspondence related to education and the withdrawal of the Sisters from Mount St. Patrick in July 1963, lists of Sisters who served in Mount St. Patrick, and ephemera related to a reunion in August 1987 and a 150-year celebration in 1993 of St. Patrick’s parishioners.