Marjorie Jane STUART [1906-1998]
Details from Chriscalder's comment, and her note:
I have now received the aboves death certificate for 29/12/1998 at Moorlands Hotel, Chagford Devon. She died of myocardial Infarction and Ischaemic heart disease
John Black's list mentions "Miss M J Stuart", born 1907, occupation "Education Dept".