Historic  Homes and Institutions and Genealogical and Personal Memoirs of  Worcester County, Massachusett by Ellery Bicknell Crane published by Lewis Pub., 1907
          Samuel Dadmun, the immigrant ancestor of William Slocomb  Dadmun, of Worcester, and probably of all of this surname in this  section of the country, was said to be of Scotch birth and family. He  was born about 1690, and the first record found in which his name is  mentioned is that of his marriage at Framingham, Massachusetts, May  27, 1714, to 
          Martha Jennings, daughter of Stephen Jennings. 
          Her father came to Framingham in 1690, married at Sudbury, January 11, 1685, Hannah Stanhope; he  died September 3, 1701, and Hannah, his widow, bought, January 6,  1702-03, of James Brewer and Caleb Johnson part of the Appleton farm  lying between Lake Cochituate and Cochituate brook where her  descendants lived until after the revolution. The place is known as the  Luther Eaton place. 
          Martha (Jennings) Dadmun  and her children were living there with her mother in 1718. Samuel  probably died in 1717 or 1718. Their children were: Samuel, see forward, and a daughter who married Wadsworth. The name is spelled also Deadman and Dedman.