From 1891 census:
Reference: RG12, Piece 2584, Folio 17, Page 30
18 High Street, Grantham
Steel, William  Head  M  50  Butcher  b North Witham
Steel, Emma  Wife  F  53  Welby
Steel, Emma  Daughter  F  28  b Grantham
Steel, Mary H  Daughter  F  21  Milliner  b Grantham
Steel, Arthur  Son  M  20  Butcher's Assistant  b Grantham
Steel, Jane  Daughter  F  18  Stationer's Assistant  b Grantham
Steel, Fanny  Daughter  F  16  b Grantham
Steel, Walter  Son  M  13  Scholar  b Grantham
Steel, Frank  Son  M  11  Scholar  b Grantham
Steel, Elizabeth  Daughter  F  24  Saddler(? Think this should be on following line!)  b Grantham
On the 1881 and 1871 census, William is a Butler!