I am just looking at the 1851 Census and I can't find a Jane or Jean in Fordyce (Its Ancestry, so that doesn't mean she is NOT there..........)
But of interest.
Hellen PIRRIE Age: 75 Head Male Born: Findo Gk, Banff
Address: Slack Road Parish Number: 164
Civil Parish: Rathven Town: Portknockie County: Banffshire
Occupation: Fishers Assat (sic)
Isabela PIRRIE age 33 female, daughter, Born, Portknockie, Banff, Occupation: Fisher's Assistant
Jean GOODBRAND age 10 female, Great Grandchild, Mother's Name: Isabela, Born: Portsoy, Banff Occupation Fisher's Assistant
Fordyce and Portknockie aren't too far apart.........
Regards
Verna