Thomas Duncan
The father of the above—James Duncan—was born in Pennsylvania in 1806, came to Montgomery County, where, in the year 1828, he married Matilda Wise. In 1834 they removed to Shelby County, and located in Washington Township. They raised a family of seven children. Mrs. Duncan died in 1853. Thomas Duncan is the oldest of this family; he was born in Montgomery County in 1812; he lived at home with his father until he was twenty-one years of age. In 1853 he married Sarah J. Doak. By this union they have raised a family of six children, Mary A., Clarinda, Sarah J., Samuel, James, and Viola M. Mr. Duncan is located on part of the old Doak homestead. Samuel Doak, the father of Mrs. Duncan, was born in Pennsylvania in 1798, came with his father—Patrick Doak—to the present limits of Shelby County in 1810, and located in what is now Washington Township, but had entered land in Orange; but on account of Indian troubles did not settle on his land until several years afterward. In 1827 he married Esther Heath, and raised a family of five children, John C., Sarah J., Chambers, James, and Samuel. Samuel Doak, Sen., died in 1845; his wife died in 1881.
From History of Shelby County, Ohio; R. Sutton & Co, Philadelphia PA, 1883