Crosby, GautengCrosby is a suburb of Johannesburg, South Africa. The suburb is west of the Johannesburg CBD and is adjacent to Mayfair West. It is located in Region F of the City of Johannesburg Metropolitan Municipality.HistoryThe suburb was founded in 1938 on of land that was surveyed into 1,163 stands. It is named after Langlaagte Mine director J.H. Crosby.