1881 census:
Reference RG11, Piece 4747, Folio 92, Page 24
7 Howe Street, Sutton & Stone ferry, Sculcoates, Yorkshire
Bibby, James Head M 55 Chelsea Pensioner and Labourer Iron Ship Yard b Croydon, Surrey
Bibby, Elizabeth Wife F 33 b Whitby, Yorkshire
Bibby, Alfred Son M 11 b Hull
Bibby, James Son M 5 b Hull
Bibby, Ellen Daughter F 1 b Hull
Therefore I presume a marriage took place c 1869?