Cornsay is a hamlet and civil parish in County Durham, England. The population of the Civil Parish taken at the 2011 census was 1,128. It is 6 miles (9.7 km) southeast of Consett and 7 miles (11 km) southwest of Durham. It consists of nineteen dwellings, including four farms & is the home of Greenacres nudist club. All formerly belonged to Ushaw College for the training of Catholic priests, hence the organised nomenclature. East and West Farms are now in private hands as homes but the other two are still active, South Farm run by the Suddes family and North Farm by the Tweddle family.