Horatio Sales Winsor, son of Matthewson and Nancy P. Winsor, was born in Rhode Island, December 21, 1815. His parents moved to Ontario county, New York, and gave him an academic education, he began to study law. finishing his preparation at Elkhorn, whither he came in 1839, and was admitted to practice in 1841. He was county treasurer 1842-1844, and chairman of the county board in 1851. From 1850 to 1869 he and Harley F. Smith were of one of the strongest law-firms of the county. In 1865 he was a member of Assembly, elected as a Union candidate over Harvey M. Curtiss.
In 1880 he formed a new partnership with a younger man, Edward Sprague. He died at Mitchell, South Dakota, January 23, 1892. Maria L. Husted, his wife, was born September 14, 1824: married January 1, 1840 : died December 7, 1890. Their daughter, Ella M. died 1867, at eighteen. Their sons were Curtis Husted, Frank Horatio and Ed., all in South Dakota, and the first two are lawyers.
From: Beckwith, A.C. (1912). History of Walworth County Wisconsin