 She was a member of the Legislative Assembly of Prince Edward Island elected in the general election of 1996, 2000 and 2003.She represented the electoral district of Park Corner-Oyster Bed and was a member of the Progressive Conservative Party.Born in Charlottetown, Prince Edward Island, she was the youngest of the six children of Mary Cummings and Stephen MacMillan, who was the son of former premier William J. P. MacMillan.