Found my William Hart on 1880 census record. Here's the information taken from the Soundex - 1880 Hart, William age 55 Birthplace Pennsylvania Living in Allegheny County, Elizabeth HART Margaret W age 49 birthplace Penna Charles S 28 " William S 25 " Watson S 19 " Lewis S 17 " Harry S 15 " Fred W S 9 " Mattie M D 6 " Cora GD 6 " (Granddaughter) Charles W GS 4 " (Grandson) Thought the above might be of help to someone researching this same area. Connie