Found this on usgw archive siteNot mine but may help someone else. BIOS: Polk County 1880 Beaver Township Biographies, Polk County, Iowa
MOORE, S. S.-Of the firm of S. S. Moore & Son, dealers in general merchandise, Mitchellville. Was born October 30,1816, in Lancaster county, Pennsylvania, and when very young was taken by his parents to Ohio, where he was raised and educated. He followed farming and stock-raising for sixteen years while in that State and in 1856 he came to Iowa, locating in Cedar county. There he bought a farm and worked it three years, when he moved to Muscatine and went into the grocery business, and after a while added hardware to his stock. This business he followed until 1862, when he moved to Brooklyn, Poweshiek county, and formed a partnership with J. B. Overman in the grocery and hardware business, to which he added agricultural implements, etc., and continued the same until 1868, when he sold out and went into the grain trade. He built the Union Grange Elevator in that place and operated the same about one year. In November, 1870, he came to this place and opened a lumber yard, building the first elevator in the city in company with his son, Henry. Two years later they sold the elevator and opened a general store, which they still own.
They carry a full stock in their line and enjoy a good trade. March 20, 1838, he married Miss Elinor Worrall, a native of Harrison county, Ohio. They have four children living: Martha A. (wife of John R. Gill, of Prairie City; Priscilla G. (wife of Benjamin Cook, of Nebraska), William Henry and Barrett E. Have lost three. Mr. Moore has held all the offices in the township and has been justice of the peace for many years.