This could be them

1841 Black St, near the green Martham
Benjamin Woolston, 25, Cart J (from the next one Journeyman Carpenter)
Mary Woolston, 25, ----------,
Emily Woolston, 2, -----------,
John Woolston, 1, -----------, all born in the county
1851 Black St, Martham
Benj Woolston, head 35, Carpenter, Hemsby
Mary Woolston, wife 41, ----------, Fleggbourgh
Emily Woolston, dau 13,
John Woolston, son 11,
Mark Woolston, son, 9,
Alice Woolston, dau 7,
Robert Woolston, son 5,
Jane Woolston, dau 3, all children born in Martham
1861 Gratitude St, Ormsby St Margaret
Benjamin Woolston, head 43, Carpenter, Hemsby
Mary Woolston, wife 46,------------, Fleggburgh
Mark Woolston, son 18 Carpenter, Martham
Alice Woolston, dau 16, ---------, Martham
Robert Woolston, son 14, Carpenter, Martham
Jane Woolston, dau 12, ----------, Martham
Benjamin Woolston, grandson 3 months, --------, Rollesby
Hope this helps
