Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,101 pages of information and 233,633 images on early companies, their products and the people who designed and built them.
1803 Born in Ross and Cromarty, Scotland, son of David Denoon and Jannet Grant
1841 A merchant, living in Lewisham, Isabella Denoon 40
1861 An East India merchant based in London, visiting his sister Isabella Denoon 64, in Gateshead, who also had living in her house her nephew, John Jamieson (sic) 30, a mechanical engineer employing 3 men and 2 boys
1867 "NOTICE is hereby given, that the Partnership heretofore subsisting between us the undersigned, William Isaac Cookson, Norman Charles Cookson, John Jameson, and Alexander Denoon, as Engineers, Iron Founders, and Boiler Makers, at Newcastle-upon Tyne, under the style or firm of John Jameson and Co., has been this day dissolved." 
1871 A general merchant, living in Kidbrooke, Charlton, with Anne M Denoon 50
1877 Died in Bromley, Kent