Margaret Anna McTaggart-Stewart (born 1880) (1880–1961) Parents Marianne Susanna Ommaney Mark MacTaggart-Stewart Children Sir Mark Dalrymple, 3rd Baronet Dorothea Mary Dalrymple Siblings Susanna Mary McTaggart-Stewart Frances Emily Kennedy, Marchioness of Ailsa Sir Edward MacTaggart-Stewart, 2nd Baronet Partners Sir David Charles Herbert Dalrymple, 2nd Bt.