Here are some census records that may help you in your search. I made the assumption that you meant England as a location, hope I was right.
1891 Mile End Old Town, Western, London, England, page 44, 83 Dempsey Street
Charles Winter, 32, traveller C? (last 2 letters not clear)
Maria Jane Winter, wife, 29
Charles H. Winter, son, 6
Ernest Hawky Winter, son, 4
Rosamund A. Winter, daughter, 1
Jessie Frances Winter, daughter, 1 month
All were born London, Mile End except for Jessie who was born London, Stepney
1881 London, Middlesex, England
Maria Slater, 54, married, b. Wapping, Middlesex
Andrew Slater, son, 25, b. Deptford, Kent, engine stoker
Frederick Slater, son, 19, b. Blackwall, Middlesex, painter
George Slater, son, 17, b. St. Georges, Middlesex, wheelwright
Sarah Slater, dau., 15, b. St. Georges, Middlesex, book folder
Thomas Cartwright, grand-son, 7, b. St Georges, Middlesex, scholar
I don't know if this is the same Sarah you are looking for, but she's a good possibility.
1891 West Ham, Essex, England, Distict 63, page 28, 11A? Barnby Street
Robert W. Sturdy, 26, fishmonger, b. London, Mile End
Sarah Slater, wife, 25, b. St George in the ????
Elizabeth M. Slater, dau., 6, b. Mile End
Robert Slater, son, 4, b. Mile End
Anne M. Slater, dau., 1, b. Mile End
William S. Slater, son, 3 months, b. Mile End
Hope this helps!!