Thomas Davison was born in York, Yorkshire, England on 17 February 1864. He was articled to Charles A. Bury of Scarborough for four years and attended the Royal Academy Schools and Architectural Association in London. In 1887 he passed the qualifying exam and in 1887 and was elected an Associate of the Royal Institute of British Architects (ARIBA) in 1888. He subsequently worked as an assistant in various architectural offices in London.
Davison's address was given as 22 Methley Street, Kennington, London (January 1888); 47 Hulsey Street Cadogan Square, London (April 1888); 28 Great Ormond Street, London (1907, 1910); and 'Ellerslie', Woodcote Valley Road, Purley, Surrey (1914, 1939) He died 21 March 1941. His death was registered in Croydon, Surrey.
Directory of British Architects 1834-1914. Compiled by Antonia Brodie, et al. Volume 1: A-K. London; New York: British Architectural Library, Royal Institute of British Architects/Continuum, 2001