Richard was the 3rd son of Alexander Davison of Knockboy, Broughshane, County Antrim, and his wife Mary née McKillop. He died at Cultra, County Down, and was buried in the Presbyterian churchyard in Broughshane. In 1822 he married Margaret, 4th and youngest daughter of George Casement of Larne, County Antrim; she died in 1847.
References
^'Death of Richard Davison, Esq., late M.P. for Belfast', The Belfast News-Letter, 22 February 1869
^Gunn & Wiebe (eds.) Benjamin Disraeli Letters: 1952-1856, 1982, p. 196
^'Parliamentary Intelligence', The Times, 7 June 1860