New Silksworth is a former coal mining village in Sunderland, formerly located between the villages of Tunstall, and Silksworth. The former colliery being situated to the north west of the village near to the Gilley Law The population of the Sunderland ward was 10,931 at the 2011 census.Silksworth a brief history: New Silksworth is a former colliery village with a 100-year coal mining heritage.