The 'Place Names Index' can help you to determine which Church of England parish a County Durham place/settlement was situated in, at any given date http://nd.durham.gov.uk/recordoffice/dro.nsf/vwebplaces Blackhill Lanchester All Saints (-1848) Benfieldside St. Cuthbert (1848 - 1885) Blackhill St. Aidan (1885 -) Stan Mapstone