Addie Wolff Kahn was an art collector and patron. She was married to New York banker Otto H. Kahn (1867-1934) and daughter of Abraham Wolff (1839-1900), a partner in the banking firm of Kuhn, Loeb & Co.
Mrs. Kahn served as a director of the Metropolitan Opera Association and as president and director of the Manhattan School of Music. Mrs. Kahn was also vice president of the Rachmaninoff Memorial Fund and president of the National Music League, a patroness of the Queens Symphony Society, a member of the old Society of the Friends of Music, a contributor to the Town Hall endowment Fund, a lay member of the Grand Central Art Galleries and a member of the honorary committee of "Masterpieces of Art," exhibited at the New York World's Fair.
Other philanthropic and health organizations with which Addie Kahn was involved included the New York Society for the Prevention of Cruelty to Children, the Women's Trade Union League, and the Country Home for Convalescent Babies at Sea Cliff, Long Island, and the Huntington, Long Island Hospital. She was also active in the Federation of Women's Clubs, and served on the executive committee of the New York Women's Division of the Committee for the Marshall Plan to Aid European Recovery.