Duncan Brown Cooper (April 21, 1844 – November 4, 1922) was an American journalist, publisher and Democratic politician.

[citation needed] Duncan Brown Cooper was born at "Mulberry Hill" near Columbia, Maury County, Tennessee in 1844.

[3] His half-brother was William Frierson Cooper (1820–1909), who became a member of the Tennessee Supreme Court and owned the Riverwood Mansion.

His sister, Sarah, married Dr. Lucius Burch, a Dean of the Vanderbilt University School of Medicine.

Their son was Lucius E. Burch, Jr. During the American Civil War, Cooper fought in the Confederate States Army.

[1] Cooper worked on the 1908 gubernatorial campaign of Malcolm R. Patterson, who was elected and served as Governor of Tennessee from 1907 to 1911.

[2][4][5][6][7] During the first trial, both Cooper and his son Robin were convicted of second-degree murder and sentenced to 20 years in prison.