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Kentucky Genealogy and Biography, Volume III, Battle-Perrin-Kniffin, 2nd. ed, 1885
WILLIAM FOSTER was born March 13, 1823, in County Down, Ireland. His parents, Richard and Nancy (Beaty) foster, came to America in 1828, and located in Pittsburgh, Penn., where the father carried on the trade of boot and shoe-making. The mother died October 30, 1833, which scattered the family, and sometime after the father married again, and moved to Ohio, where he died. At the death of his mother, when he was ten years old, subject was thrown upon his own resources, and worked by day’s labor at various kinds of employment until 1849, when, with his savings of $100, he came to Ohio County, Ky., and worked in a saw-mill. In August, 1850, he married Miss Susan Bennett, and engaged in farming. By indefatigable labor and economy he has gained a position among the first farmers of the county. He owns a large farm, well improved, with pleasant cottage residence, and has his farm stocked with the best breeds of stock, making a specialty of raising short horn cattle. His first wife died September 18, 1861, leaving six children, five living. His present wife was a Miss Sarah J. Carson, to them have been born five sons. Many of Mr. Foster’s children are doing for themselves, and are very prosperous. He is a liberal temperance Democrat.