Maurice Lyon was born in Rainhill, Lancashire, England on 14 July 1887 and entered the University of Liverpool School of Architecture in 1903 and graduated with a B.A. in 1906. He then worked for a number of years in the office of Lanchester, Stewart & Rickards in London. During World War One served in the Royal Naval Air Service and was awarded the Distinguished Service Cross.
After the war he worked as Government Architect, Ministry of Works in Cairo, Egypt until the mid-1930s. Following his return to England in c.1937 he was employed by the Office of Works in London.
Lyon was elected an Associate of the Royal Institute of British Architects (ARIBA) in 1911 and a Fellow of the Royal Institute of British Architects (FRIBA) in 1927.
His address was given as 55 Holland Park, London in 1938; Residential Hotel, South Bank, Surrey in 1939; and 4 Leighton House, Oak Hill Road, Surbiton, Surrey in 1960 and 1970. He died in Kingston upon Thames, Surrey on 10 November 1970.
State Telegraphs and Telephones building in Cairo; the Egyptian State Archives building in Cairo.
Sharples, Joseph, Powers, Alan and Shippobottom, Michael. Charles Reilly & the Liverpool School of Architecture 1904-1933. Catalogue of an exhibition at the Walker Art Gallery, Liverpool, 25 October 1996 - 2 February 1997. Liverpool: Liverpool University Press, 1996 pp. 173-174 [Contains other references to Lyon, unfortunately, this very informative catalogue is not indexed]