Michael John Mackey Erritt, CB (15 February 1931, Belfast - 3 October 2002, Lindfield, Sussex) was the Deputy Director of the British Government Statistical Service.
St Andrew's College, DublinPrince of Wales School, NairobiQueen's University, Belfast (BSc (Econ)).Research Officer, Science and Industry Committee, 1953Assistant Statistician, Central Statistical Office, 1955Statistician: Board of Trade, 1960; H.M. Treasury, 1964; Board of Trade, 1967Chief Statistician: Inland Revenue, 1968; Central Statistical Office, 1973; Departments of Industry, Trade and Prices and Consumer Protection, 1975; Ministry of Defence, 1979Assistant Under-Secretary of State and Director of Statistics, Ministry of Defence, 1981Assistant Director, Central Statistical Office, 1985-1991; Deputy Director, Government Statistical Service, 1989-1991.He moved from the MoD back to the CSO because Michael Heseltine ordered a reduction in the number of statisticians in the MoD and his post was downgraded.