Party affiliation: Republican
State’s attorney, 27th Judicial District of Illinois, 1861-1868. Member 43d to 51st Congresses (1873-1891), 53d to 57th Congresses (1893-1903), 12th Illinois District and 58th to 62d Congresses (1903-1913), 64th to 66th Congresses, 1915-1921), 18th Illinois District. Chairman Committee on Appropriations, 51st, 55th, 56th and 57th Congresses.
Speaker United States House of Representatives, 58th, 59th, 60th and 61st Congresses (1903-1911). Received 58 votes for presidential nomination, Republican National Convention, Chicago, 1908.