page_title: Mary Palmer (1750-1820)
hierarchical_section_title: Mary Palmer (1750-1820)
caption_attribution_description: Mary Palmer (d.1820), later Countess of Inchquin and Marchioness of Thomond, painted by her uncle Sir Joshua Reynolds.
context_page_description: Mary Palmer was a member of the British gentry and by marriage of the Irish peerage.
context_section_description: Mary Palmer (1750 – 6 September 1820) was a member of the British gentry and by marriage of the Irish peerage.
caption: Mary O'Brien (née Palmer), Countess of Inchiquin, painted before 1785 by her uncle Sir Joshua Reynolds. Collection of Fairfax House, City of York
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