Williams was elected as a Republican to the United States House of Representatives of the 64th United States Congress and to the seven succeeding Congresses and served from March 4, 1915, until his resignation November 11, 1929.
Williams was chosen as a Republican member of the U.S. House of Representatives for the 64th through the 70th Congresses, holding office from March 4, 1915, to November 11, 1929.