Patrick Magruder (1768 – December 24, 1819[1]) was an American lawyer, politician, and librarian who served as a Member of the U.S. House of Representatives from Maryland’s 3rd congressional District from March 4, 1805, to March 3, 1807, and as the 2nd Librarian of the United States Congress, from December 26, 1807, to January 18, 1815.

[2] After the death of John J. Beckley, President Thomas Jefferson appointed Magruder to the dual post of Clerk of the United States House of Representatives and Librarian of Congress.

[3] Magruder served as the 2nd Librarian of the United States Congress from December 26, 1807, to January 18, 1815.

[2] During the War of 1812, the British burned Washington, D.C., including the Library of Congress, which was then housed in the US Capitol Building.

After an investigation by Congress into the destruction of the library and the use of its funds, Magruder resigned.