So, in summary:-
Birth: Winifred Maud Howes mmn Howes, Mar qtr 1916 Brentford
Marriage: Winifred L M Howes to Alfred Jones, Dec qtr 1936 Staines
Marriage: Winifred M Jones to Henry A Cowell, Dec qtr 1983 Surrey N
Death: Winifred Maud Cowell b 6 Jan 1916, Nov 1996 Surrey N