Samuel Lahm (April 22, 1812 – June 16, 1876) was a lawyer, politician, and U.S. Representative from Ohio. He was the father of Frank Samuel Lahm, a noted expatriate and pioneer balloonist, and the grandfather of Brigadier General Frank Purdy Lahm, aerial pioneer, student of the Wright brothers, and the first military officer to fly an airplane. He married Almira Brown of New Hampshire and was related by marriage to Daniel Webster. The couple had five children: Marshall, Edward, Frank Samuel, Charles Henry, and Helen Rebecca. The two eldest sons served in the 115th Ohio Volunteer Infantry during the American Civil War and died in service within three weeks of each other, by sickness. In 1855 Almira Lahm died and Lahm remarried, to Henrietta Faber of Pittsburgh. Lahm and Henrietta had three