Elizabeth Bishop-Redruth Cornwall England

Elizabeth Bishop born about 1838 in Redruth to Thomas Bishop and Grace Polkinghorne.Still living with parents in 1861 census for Redruth and working as a mine girl.Trying to find out if she married.Her brother, William P Bishop, was my great-grandfather.He died in Morris, Grundy Co., Illinois.Any help greatly appreciated!
Nancy Hanke