Could this be her?
From the 1871 census:-
Catherine Sankey, Widow, 41, Born Wolverhampton, Staffs
Mary A Sankey, 15, Born Wolverhampton, Staffs
Edward Sankey, 13, Iron Moulder, Born Wolverhampton, Staffs
George Sankey, 8, Scholar, Born Wolverhampton, Staffs
Martha Sankey, 5, Scholar, Born Wolverhampton, Staffs
Margaret Deed, Niece, 20, Japanner, Born Wolverhampton, Staffs
John Deed, Nephew, 12, Tinner, Born Wolverhampton, Staffs
Charles Deed, Nephew, 13, ? Moulder, Born Wolverhampton, Staffs
Living at 13, East Street, Wolverhampton
RG10/2939 Folio 125 Page 21
Regards, Sue