Maugham's daughter Liza married in 1936, and the London house Maugham decorated for her was among her best work. After finishing it, she sold her own house and travelled to India with Elsie de Wolfe "to paint the Black Hole of Calcutta white". Maugham continued decorating, but had already completed her most famous and successful work. Her clients included Wallis Simpson, Marie Tempest, Oveta Culp Hobby, DeWitt Wallace, Elsa Schiaparelli, Capt. Edward Molyneux, Edward James, Mona Williams, Babe Paley, Bunny Mellon, Clare Boothe Luce, Alfred Lunt/Lynn Fontanne, Margaret Campbell, Duchess of Argyll and the Hon. Stephen Tennant. She redecorated The Glen, Scottish home of Christopher Tennant, 2nd Baron Glenconner, who hated the existing Scottish Baronial style of the house.