Hello Roy, Not sure where Blackmarsden is so cannot try to help with that sorry.Their are 40 people with BURFORD surname on the 1851 Herefordshire Census index,done by Herefordshire Family History Society. Again off the 1851 index are the following SPIER names:- Ann SPIERS,10,Lyonshall,Ref 2492,348a Elizabeth ,10,Lyonshall,2492,348a Sarah Anne ,50,Lyonshall,2492,348a William ,12,Lyonshall,2492,348a Charles ,47,Upleadon,1960,244b Ester , 9,Upleadon,1960,244b Nancy ,53,Upleadon,1960,244b Elizabeth ,54,Dymock,1960,287b Richard ,31,Dymock,1960,287b Sarah E ,16,Kington,2492,278a Could not see any DRING or PARKER-DRING names on the index, Best Wishes, Malcolm Brinkworth