Lady Margaret Cargill Mackay (died 1958) (d. 1958) Parents James Mackay, 1st Earl of Inchcape Jean Paterson Shanks Children Margaret Jean Shaw Thomas Shaw, 3rd Baron Craigmyle Thalia Mary Shaw Elspeth Ruth Shaw Siblings Kenneth Mackay, 2nd Earl of Inchcape Elsie Mackay Lady Effie Mackay Lady Janet Lyle Mackay Partners Alexander Shaw, 2nd Baron Craigmyle