Mary Annella Zervas, O.S.B.(born Anna Cordelia Zervas; April 7, 1900 – August 14, 1926) was an American Benedictine religious sister who died after a three-year long battle with pityriasis rubra pilaris. Prior to the 1960s, Zervas' grave in St. Joseph, Minnesota, was considered a place of Christian pilgrimage and began to be once again around 2008. On October 15, 2023, Bishop Andrew Cozzens of Crookston opened a cause for her canonization.

St. Joseph or Saint Joseph is a city in Stearns County, Minnesota, United States. The population was 7,029 at the 2020 census. It is home to the College of Saint Benedict.