Thaddeus Baker, M.D. (son of Thaddeus Baker,senior,  a surveyor in the employ of the land company), was born in Poultney, Rutland county, VT, in 1806, and came with his father to Andover in 1807.  Mr. Baker, (senior) located four hundred acres of land where the village of Andover now stands, and resided till his death, in 1845, on the old homestead in the north part of the village, where Dr. Baker has always lived and practiced medicine during the last forty years.  He has served as justice of the peace sixteen years and several years as school inspector and town clerk.  In 1835 he was married to Miss Sarah Spicer, of Andover . (History of Allegany County,NY-1879-F.W.Beers & Co.)