Thomas Greenough was born in Boston in 1710, and also died in Boston, 1785. His instruments can be found at the Peabody Essex Institute, Franklin Institute, South Natick Historical Society, Old Sturbridge Village, Western Reserve Historical Society and Bucks County Historical Society. He came from a family active in the maritime trades. His father was a shipwright, his brother a sail maker and his son Thomas, Jr., was also an instrument maker.