Dugald or Duncan McCorkindale was an ironfounder and collector of JW's work. He lived at Carfin Hall, Lanarkshire and Glendermott, Rothesay, Isle of Bute.
His collection included Study: Woman and child (M.1286) and probably Design for a Mosaic (M.1226) and Venus (M.357). It was sold on 6-7 November 1903.
MacDonald, Margaret F., James McNeill Whistler. Drawings, Pastels and Watercolours. A Catalogue Raisonné, New Haven and London, 1995; West Coast Directory, 1883; Bute County Directory, 1889-1890; Morrison, Dick and M'Culloch, auction catalogue, Glasgow, 6-7 November 1903.