Mezue ahịrịokwu na-esonụ: A họpụtara Lockwood dị ka onye Democrats na 43rd United States Congress, ma jee ozi site na March 4, 1877, ruo March 3, 1879. Ọ bụ onye nnọchiteanya na
Nnọkọ Democratic National Convention nke 1880 na 1884. N'afọ 1884, ọ họpụtara Grover Cleveland, ezigbo enyi ya, ka ọ bụrụ onye isi ala. Onye isi ala Cleveland họpụtara Lockwood onye ọka iwu United States maka Northern District nke New York, wee jee ozi site na 1886 ruo 1889.