William McKinley was an American.
The Tariff Act of 1890 , commonly called the McKinley Tariff , was an act of the United States Congress framed by Representative William McKinley that became law on October 1 , 1890 . William McKinley . His 1890 McKinley Tariff was highly controversial ; which together with a Democratic redistricting aimed at gerrymandering him out of office , led to his defeat in the Democratic landslide of 1890 .