There is an 1861 census that might be your Musgrove family RG9/3697 folio 54 page 18 Chilton Colliery Village Robert Musgrove, Head, Mar 28, Coalminer, Durham Hartburn Isabella Musgrove, Wife, Mar 28, Hatmaker, Scotland Isabella Musgrove, Daur, 5, Durham Kelloe Robert A Musgrove, Son, 3, Durham Kelloe Both Robert and Isabella Robinson were recorded as age 22 on their marriage record at Kelloe St. Helen When Isabella, the daughter, was born they were living in Cold Knuckles (Coxhoe). She was baptised 28 Aug 1855, duar of Robert Musgrove, pitman, and Isabella. I looked on the Scotland GRO website but couldn't find her baptism.