Santa Anna at Battle of San Jacinto. Opposed secession and remained loyal to the Union during the Civil War. John Houstoun Rufus Ingalls James Iredell Jr., Governor of North Carolina Thomas Jefferson, 3rd President of the United States Samuel Johnston John Paul Jones, Scottish-born, American Revolutionary War naval officer, American Admiral and Rear Admiral in the Imperial Russian Navy Tim Kaine, US Senator from Virginia John Kerry, former US Senator from Massachusetts, 2004 Democratic presidential nominee, US Secretary of State in Obama Administration Henry Latimer Roberta Lawson Hugh Swinton Legaré, lawyer and politician of Huguenot and Scottish ancestry Edward Livingston Matthew B. Lowrie Dan Lungren Nathaniel Lyon, American general, first Union general killed in the Civil War in 1861 at the Battle of Wilson's Creek Arthur MacArthur Jr., Union officer during the Civil War, American general, father of General Douglas MacArthur Douglas MacArthur, five-star American Army General in the Pacific theater during World War II and commander of American forces in Korean War John Lewis MacDonald Clark MacGregor Archibald T. MacIntyre, politician George MacKinnon Franklin MacVeagh Duncan McArthur Tom McClintock Henry Dickerson McDaniel, Governor of Georgia James McDivitt, Brig Gen, USAF, Ret., former astronaut, test pilot and aeronautical engineer who flew in the Gemini 4 and Apollo 9 missions Irvin McDowell, American general, commanded Union forces at the First Battle of Bull Run (First Manassas) Samuel McDowell George B. McClellan, Union major general during the American Civil War; Democratic presidential nominee in 1864; later Governor of New Jersey; organized the Army of the Potomac; served briefly (November 1861 to March 1862) as the general-in-chief of the Union Army Robert Mueller, lawyer and government official Scott McClellan, former White House press secretary John J. McCloy Lachlan McIntosh Mike McIntyre Kenneth McKellar Alexander McKenzie William McKinley, 25th President of the United States, 3rd US President to be assassinated in 1901 on the grounds of the Pan-American Exposition at the Temple of Music in Buffalo, New York. McKinley was the last president to have served in the American Civil War. John McLane Mack McLarty James C. McLaughlin Robert McNamara, U.S. Defense Secretary and President of the World Bank Dan K. McNeill, American general David Brydie Mitchell, Governor of Georgia Walter Mondale, U.S. Senator from Minnesota, 1984 Democratic presidential nominee James Monroe, 4th President of the United States George Stephen Morrison, United States Navy rear admiral (upper half) and naval aviator, father of Jim