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, Dublin
Prince of Wales School, Nairobi
Queen's University, Belfast (BSc (Econ)).
Research Officer, Science and Industry Committee, 1953
Assistant Statistician, Central Statistical Office, 1955
Statistician: Board of Trade, 1960; H.M. Treasury, 1964; Board of Trade, 1967
Chief Statistician: Inland Revenue, 1968; Central Statistical Office, 1973; Departments of Industry, Trade and Prices and Consumer Protection, 1975; Ministry of Defence, 1979
Assistant Under-Secretary of State and Director of Statistics, Ministry of Defence, 1981
Assistant 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.