Sorry I didnt read your question properly and realise now you have no Family for Lilly Jane.
This is the only Family in Marnoch I can find with a Lilly Jane.
Smithfield, Marnoch, Banffshire
William REID, 51, Head, Farmer,born Cullen
LILLY JANE, 20, Daug, Domestic Servant, born Banff
Barbara, 19, Daug, General Servant, born Banff
Jessie, 12, Daug, Scholar, born Banff
Eliza, 8, Daug, Scholar, born Banff
Robina, 5, Daug, born Marnoch
George, 12, Grandson, Scholar, born Banff
William, 2, Grandson, born Marnoch
Lilly Jane, 2mths, Grand/Daug, born Marnoch
Maggie Ann TAYLOR, 11, Garnd/Daug, Scholar, born Banff