Joan Patricia Murphy (née O'Malley; 1936/1937 – September 18, 2016) was an American Democratic politician and member of the Cook County Board of Commissioners, representing the 6th district which is located in the Chicago Southland.
Murphy was born Joan Patricia O'Malley in South Boston, Massachusetts, one of four siblings born to Concetta (née Fama) and Michael O'Malley.
She graduated from State Teachers College (now University of Massachusetts, Boston).
[3][4][5][6] In 2002 she won election to represent the 6th district of the Cook County Board of Commissioners.
Murphy led a fight against supervisors taking mandated, unpaid furlough leave.