Lady Mary Eleanor Anne Dawson was born in 1852, the daughter of Richard Dawson, 1st Earl of Dartrey and Augusta Stanley. 
She married Henry Edward Fox-Strangways, 5th Earl of Ilchester, son of Hon. John George Charles Fox-Strangways and Amelia Barbara Marjoribanks, on 8 February 1872.
She died on 25 October 1935.
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