Mary Eccles, Viscountess Eccles

Mary Morley Eccles, Viscountess Eccles (née Crapo; 8 July 1912 – 26 August 2003) was a book collector and author. She was renowned for establishing one of the largest private collections of 18th century literature with her first husband, Donald Hyde (1909-1966). This includes works from Samuel Johnson and James Boswell. She also created an Oscar Wilde Collection which was bequeathed to the British Library in 2003.^{[citation needed]}

Her second marriage (in 1984) was to the British peer, David Eccles, 1st Viscount Eccles, with whom she co-founded the Eccles Centre for American Studies at the British Library in 1992.^{[citation needed]}