Rubuta ci gaba don wannan sakin layi - 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 a 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.