Thomas Henry Craig StevensonCBE (24 November 1870[1] – 12 September 1932) was a Northern Irish statistician.
He was born inStrabane,County Tyrone, and educated at Strabane Academy,Trinity College Dublin, andUniversity College, London, before receiving his MB at theUniversity of London. He set up in practice and read for an MD in State Medicine and was later offered a post in the Brighton Public Health Department. After posts in public health elsewhere, he became the School Medical Officer ofSomerset County Council. In 1909, he was appointed Superintendent of Statistics in the General Register Office.[2]
Responsible for the 1911 census in the UK which was published in 1913, he originated the idea of social class classification, divided into three basic classes (the upper, middle and working classes) commonly known as the Registrar General's Social Classes.[3][4]
He was awarded theGuy Medal in Gold by theRoyal Statistical Society in 1920, theEdward Jenner Medal by theRoyal Society of Medicine in 1931, and theBisset Hawkins Medal by theRoyal College of Physicians in 1932. He was appointed aCBE in 1919.[5]