Methodist Church of Canada
McClung was active in many organizations. She founded the Winnipeg Political Equality League in addressing educational and social issues, including the factory working conditions, and the Federated Women's Institutes of Canada—"the largest adult education movement in Canada"—and the Women's Institute of Edmonton, of which she was the first president. She was active in the Canadian Authors' Association, the Canadian Women's Press Club, the Methodist Church of Canada, the Calgary Women's Literary Club, among others.