Kammala jumla mai zuwa: A 1912, an zabi Knott zuwa Majalisar Dokokin Jihar New York a matsayin dan Democrat, wanda ke wakiltar Gundumar New York ta 25th District. Ya yi aiki a Majalisar a 1913. Ya kasance mataimakin wakili a Majalisar Dinkin Duniya.
1916, 1924, 1928, da kuma 1932 Democratic National Conventions, kuma ya yi aiki a matsayin wakili a 1936 da 1952 Democratic National Conventions. A shekara ta 1917, an zabe shi Sheriff na New York County, kuma ya yi aiki a matsayin Sheriff daga 1918 zuwa 1922. A zaben Majalisar Wakilan Amurka na 1922, ya yi nasara ba tare da nasara ba a matsayin dan takarar Democrat a gundumar majalisa ta 14 ta New York. A shekarar 1922, an zabe shi shugaban kwamitin jam'iyyar Democrat na New York County. Har yanzu yana aiki a matsayin shugaban lokacin da ya mutu.