Looking for Olive Parich OR Parish Born IN Minnesota 1858

My Great Grandmother was Olive Parich born 10-14-1858 in the area of Fairbault, Minnesota. My GreatGrandfather William Buler was born in Chicago, Illnois 4-29-1858. One of their children was my Grandmother, Mable who married Alden Hutchins and they lived in Powder River County Montana. My Mother was Florence Hazel Hutchins who then married Vern Joseph Casey.
I believe my GGGrandfather Peter Parich or Parish came from Le Harve, France. His wife's name was Harriet.