Martin Henry Kennelly (August 11, 1887 – November 29, 1961) was an American politician and businessman. He served as the 47th Mayor of Chicago in Chicago, Illinois from April 15, 1947 until April 20, 1955. Kennelly was a member of the Democratic Party. According to biographer Peter O'Malley, he was chosen as mayor by a scandal-burdened Democratic machine that needed a reformer on top of the ticket. Kennelly was a wealthy businessman and civic leader, active in Irish and Catholic circles. As a long-time opponent of machine politics he accepted the nomination on condition the machine would not pressure him for patronage and that he did not have to play a leadership role in the party. This gave him a non-partisan image that satisfied the reform element. As mayor he avoided partisanship and co