Sister Francis Xavier Porter O S USr. Francis Xavier Porter, O.S.U., is an Ursuline Sister from Great Falls. Her ministry in education has taken her from Northern Alaska to Southern California, where she has served as an administrator and teacher for over 50 years. Sister Porter is te archivist of Ursuline Archives in Great Falls. Kristi D. Scott is the development director for the Ursuline Centre Historical Foundation and shares a special interest in local history and cultural anthropology. Read More Read Less