Bertram Tracy Clayton (October 19, 1862 – May 30, 1918) was an American soldier and politician. Born in Clayton, Alabama, he went on to attend the United States Military Academy, graduating in 1886 with John J. Pershing. He resigned in 1888, intending to work as a civil engineer, but went on to serve with New York State infantry and cavalry units during the Spanish-American War in Puerto Rico. After the war, Clayton served in the House of Representatives from 1899 until 1901, representing New York's fourth district. After an unsuccessful reelection bid, he was appointed as a captain in the Regular Army. He stayed on active duty and was promoted several times up to the rank of colonel and served in a variety of posts until World War I. He was killed in action in France while serving with the 1st Infantry Division and is buried at Arlington National Cemetery with his wife, Mary Elizabeth D'Aubert Clayton. His brother, Henry De Lamar Clayton, also served as a Member of Congress. Their father, Henry De Lamar Clayton, Sr., was a prominent judge and major general in the Confederate army during the American Civil War.
