Anthony Campbell was still alive in 1851 but Mary is dead
Whin Parks(?) , Balmaghie
857a ED 3 Page 22
Anthony Campbell, widower, 64, farmer of 26 acres, b. Balmaghie
Margaret Halliday, 15, servant, b. Maybole, Ayr
I can't find a death for him as yet, so he maybe died 1851-54.
Will keep looking.
Gadget