Carr first became active in the labour movement in 1960, when she was employed by the City of Niagara Falls and a member of CUPE Local 133, then in 1970, she became an employee of the Regional Municipality of Niagara and the founding President of CUPE Local 1287. She became general vice-president of the
Canadian Union of Public Employees in 1969, and also served as president of CUPE's Ontario Division between 1972 and 1974. Between 1974 and 1984, she held the position of executive vice-president of the
Canadian Labour Congress. In 1984, she became secretary-treasurer of the CLC, and in 1986 was elected its president. == CLC presidency ==