William Samuel Cox was an American politician and a member of the Democratic Party. He served as a U.S. Representative from Tennessee from 1935 to 1939. During his time in office, he focused on issues such as labor rights and economic recovery during the Great Depression. Cox was born on December 12, 1889, in Tennessee. Before entering politics, he worked as a lawyer and was involved in various civic activities. After his congressional term, he continued to engage in public service and community development efforts in his home state.