She was the first female president of the Irish Congress of Trade Unions (1999 to 2001), representing the UNISON union.
She also successfully campaigned for the inclusion of strong equality and human rights provisions in the Good Friday Agreement, and was a signatory to the MacBride Principles for fair employment.
In 2002 she was described as âprobably the best known and most experienced human rights campaigner in this country.âMcCormack founded Participation and the Practice of Rights, a human rights organisation supporting disadvantaged groups based in Belfast, Northern Ireland, which she continued to advise until her death.
Throughout her career, she crossed sectarian lines and national boundaries to fight for those who have faced, in her words, âthe humiliation of exclusion,â particularly women.McCormack was named by the American publication Newsweek in 2011 as one of "150 women who shake the world", and her life and work have been portrayed by Meryl Streep in the documentary play SEVEN.