She was the daughter of Alicia Clunie and Daniel McNeill and was AMW's half-sister. She married twice: 1. Robert Wellwood and lived at Wellwood Lodge, Brunsfield Links, Edinburgh, Scotland. 2. John Winstanley and lived in Preston, Lancashire. She never had any children.
Scottish Genealogy, Register of Proclamations in 1825, p. 315; Robin Spencer, 'Whistler's Early Relations with Britain and the Significance of Industry and Commerce for his Art,' The Burlington Magazine, London, April 1994, vol. 136, pp. 212-24.