Mary Catherine Ferguson
She was born at Stillorgan, co. Dublin, in 1823, to Robert Rundell Guinness (1789-1857) and his first wife Mary Anne Seymour (died 1837). She was educated partly at home and partly at Woodside, Cheshire. Keenly interested from an early age in Irish art and archæology.
On 16 August 1848, she married the lawyer and antiquarian Samuel Ferguson, becoming Lady Ferguson when he was knighted in 1878. Their circle of acquaintances included George Petrie and William Reeves.
She died in Dublin on 5 March 1905, and was buried in her husband's grave at Donegore, co. Antrim. They had no children.
This article incorporates text from a publication now in the public domain: O'Donoghue, David James (1912). "Ferguson, Mary Catherine". In Lee, Sidney. Dictionary of National Biography, 1912 supplement. London: Smith, Elder & Co. p. 12.
- Mary Catherine Guinness, thePeerage.com