"This parish, comprising the townships of Cocken, Moorhouse, and West Rainton, was formed from the parish of Houghton-le-Spring by an Order in Council dated 15th May 1838, and constituted a separate and distinct parish.
"Cocken Township comprises an area of 437 acres, and its ratable value is £689. Moorhouse is a small township, comprising an area of 277 acres, and its ratable value is £2184. Rainton (West) Township comprises an area of 1776 acres, and its ratable value is £15,077."
[From History, Topography and Directory of Durham, Whellan, London, 1894]