19 February 1824
Mary Anne MacDowell, later MADH, was born in Fitzroy Square
, "when that part of town was in its zenith, and was a favourite locality for great artists."
She was an only child.
By 3 December 1853
MADH issued her first novel, Savile House: An Historical Romance of the Time of George the First
, in two volumes under the name 'Addlestone Hill' (a coded reference to her home at Addlestone
By the end of 1893
Mary Anne Duffus Hardy's final novel, A Buried Sin
, appeared posthumously, with the next year's date on its title-page.