Previously , he had been city attorney of Marinette , district attorney of Marinette County , Wisconsin , and a state court judge .
McGillan was mayor of Green Bay from 1927 to 1929 .
Previously , McGillan had been mayor   of Marinette , district attorney of Marinette County , Wisconsin , and a state court judge .
McGillan was mayor of Green Bay from 1927 to 1929 .