Mary (née O'Brien), Countess of Orkney
(1755-1831), Daughter of 1st Marquess of Thomond and 3rd Countess of OrkneySitter in 2 portraits
Mary (née O'Brien), Countess of Orkney
by John Dixon, published by William Wynne Ryland, after Sir Joshua Reynolds
mezzotint, published 29 September 1774
NPG D39377
'Miss Nelly O'Brien' (Mary (née O'Brien), Countess of Orkney)
by Samuel William Reynolds, after Sir Joshua Reynolds
mezzotint, published 1836
NPG D3754
Related People
- George Hamilton, 1st Earl of Orkney (father)
- Murrough O'Brien, Marquess of Thomond (husband)
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