Nathan Williams was a United States representative from New York and the first lawyer to permanently establish a law practice in Utica. During the War of 1812 Williams volunteered for service and became a major in a company of militia at Sackett's Harbor.

The 9th United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C., from March 4, 1805, to March 4, 1807, during the fifth and sixth years of Thomas Jefferson's presidency. The apportionment of seats in the House of Representatives was based on the 1800 United States census. Both chambers had a Democratic-Republican majority.