Background
O'Brien, Donald Joseph was born on October 4, 1913 in Chicago, Illinois, United States. Son of Donald and Julia (Steger) O'B.
O'Brien, Donald Joseph was born on October 4, 1913 in Chicago, Illinois, United States. Son of Donald and Julia (Steger) O'B.
Juris Doctor, De Paul University, 1936.
State senator, Illinois Legislature, Chicago, 1950-1964; ward committeeman, Cook County Democratic Organisation, Chicago, 1953-1963; member Executive Committee, Cook County Democratic Organisation, Chicago, 1953-1964; judge, Circuit Court, 1964-1980; presiding judge Chancery Division, Cook County, Chicago, 1968-1980. Senate minority leader Illinois Legislature, 1956-1964.
Member American Bar Association, Illinois State Bar Association, Chicago Bar Association, American College Trial Lawyers, International Academy Trial Lawyers, Society Trial Lawyers Illinois, Butterfield Country Club, Knights of Columbus.
Married Helen C. McGinnis, February 26, 1938. Children: Donald J. Junior, Nancy S. Brown, Terrence M., Dennis F., Richard M.