Mary Catherine Ferguson (1823 - 1905):
Mary Catherine Guinness was born in Stillorgan, Dublin; she was the only daughter of Robert Guinness, founder of the banking firm Guinness Mahon. In August 1848 she married the Belfast barrister, poet and antiquary Samuel Ferguson, shared many of his social and literary interests. They settled in Dublin, though he practised on the North-East Circuit.
She wrote Ireland before the Conquest in 1868 and Sir Samuel Ferguson in the Ireland of His Day in two volumes in 1896; she biographised a clerical friend, Right Rev William Reeves; she also prepared editions of her husband's work - they worked closely together, including the children of her brother-in-law. Later after the death of her husband she campaigned for the right of women to obtainhigher education.
She was interred beside her husband at Donegore, County Antrim.
||13 September 1823
||5 March 1905
Additional research Richard Froggatt (from Dictionary of Irish Biography)