Kammala jumla mai zuwa: An zabi Lockwood a matsayin dan Democrat zuwa Majalisar Dokokin Amurka ta 43, kuma ya yi aiki daga Maris 4, 1877, zuwa Maris 3, 1879. Ya kasance wakili ne ga
1880 da kuma 1884 Democratic National Conventions. A shekara ta 1884, ya zabi Grover Cleveland, babban abokinsa, a matsayin shugaban kasa. Shugaba Cleveland ya nada Lockwood a matsayin Babban Lauyan Amurka na Yankin Arewacin New York, kuma ya yi aiki daga 1886 zuwa 1889.