The following data is extracted from Genealogy and Biography of Ontario County, New York.
William Lyon, the founder of this family, was a mason and a native of Holland, who emigrated to America in the first half of the nineteenth century. He died in Williamson, New York, aged seventyeight years. He married Jane Rosencran, who died in Manchester, New York, aged eighty-two years. Children: Jacob; Kate; William, referred to below.
William (2), son of William (1) and Jane (Rosencran) Lyon, was born in Rochester, New York, February 4, 1861, and is now (1910) living in Port Gibson, New York. He was taken from Rochester to Williamson, while yet a young child, by his parents, and received his education in the latter place, afterwards engaging in farming. In 1888 he removed to Port Gibson, and after spending four years in farming there, he engaged in the business of fruit evaporation and has since built himself up quite a prosperous business, handling and disposing of annually from ten to twelve thousand bushels of fruit. He married, in 1886, Mary, daughter of John and Mary Cramer. Children: Glenn W., born November 7, 1888, an electrician, living in Pittsburg, Pennsylvania; Nevada, born October 28, 1894; Kenneth J., born September 18, 1896.
Source: Genealogy and Biography of Ontario County, New York