National Football League | National Register of Historic Places | National Hockey League | England national football team | National Basketball Association | National Science Foundation | National Geographic | National Trust | National Endowment for the Arts | National Geographic Society | Argentina national football team | National Trust for Places of Historic Interest or Natural Beauty | National Park Service | National League | Advisory Committee on Antarctic Names | Australian National University | National Guard | National Geographic Channel | National Institutes of Health | International Olympic Committee | National Guard of the United States | National Collegiate Athletic Association | Committee of Public Safety | United States National Research Council | National Portrait Gallery | National Academy of Sciences | Indian National Congress | United States men's national soccer team | UK Antarctic Place-Names Committee | National Research Council |
Kirby played an active role in numerous professional organizations: the New York Neurological Society (president), the American Neurological Association, the American Psychopathological Association, the American Psychiatric Association (president, 1933-34), the New York Society for Clinical Psychiatry, the New York Academy of Medicine, and the Board of Directors of the National Committee for Mental Hygiene.