13 May 1907
DDM was born in London
, the second of three daughters in her family.
15 May 1929
DDM's first story, "And Now to God the Father", was published in The Bystander
, earning her the tidy sum of £10.
By early August 1938
DDM had an even greater success than her previous work with the gothic romance novel Rebecca
, which in time became a popular classic.
DDM's play Rebecca
, based on her novel of the same title, was performed in Edinburgh
, the same year that the film version won the Academy Award for Best Picture.
28 September 1987
DDM published a final collection of short stories, Classics of the Macabre
, to mark her eightieth birthday.
19 April 1989
DDM died at Par
, of heart failure.