Philip Barton Key, was an American Loyalist during the American Revolutionary War and later was a United States Circuit Judge and Chief United States Circuit Judge of the United States circuit court for the Fourth Circuit and a United States representative from Maryland.

The 11th 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, 1809, to March 4, 1811, during the first two years of James Madison'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.