In 1887, John Bartholomew's Gazetteer of the British Isles described South Kensington like this:
South Kensington, dist. and ry. sta., Kensington par., Middlesex, pop. 9107; the sta. is 1½ mile W. of Victoria Station. The South Kensington Museum of Science and Art stands upon 12 acres of land, and was founded in 1855; the present buildings were commenced 10 years later.
The location is that of South Kensington Underground station. Additional information about this locality is available for Kensington
A Vision of Britain through Time includes a large library of local statistics for administrative units. For the best overall sense of how the area containing South Kensington has changed, please see our redistricted information for the modern district of Kensington and Chelsea. More detailed statistical data are available under Units and statistics, which includes both administrative units covering South Kensington and units named after it.
GB Historical GIS / University of Portsmouth, History of South Kensington, in Kensington and Chelsea and Middlesex | Map and description, A Vision of Britain through Time.
Date accessed: 19th June 2013
Click here for more detailed advice on finding places within A Vision of Britain through Time, and maybe some references to other places called "South Kensington".