Michael J. O'Connor

Michael J. O'Connor (December 15, 1928 – October 24, 2018) was an American politician. He was born in Sioux Falls, South Dakota. He was a member of the South Dakota House of Representatives and South Dakota State Senate. He was President Pro Tempore of the Senate from 1975 to 1976. He was a member of the Democratic Party.
O'Connor died in Sioux Falls from skin cancer on October 24, 2018 at the age of 89.