David Miller De Witt (November 25, 1837 – June 23, 1912) was an American lawyer and politician who served one term as a U.S. Representative from New York from 1873 to 1875.

[1] Born in Paterson, New Jersey, he was the son of Moses Edwards and Lydia Ann (Miller) DeWitt.

His first wife, whom he married October 4, 1826 in Paterson, New Jersey, was Margaret Salome Goetschius (1791-1833), who was also an Ulster County native and was his third cousin.

He resumed the practice of law and also engaged in literary pursuits, including The Judicial Murder of Mary E. Surratt (1895), The Assassination of Abraham Lincoln (1898), and The impeachment and Trial of Andrew Johnson (1903).

On April 10, 1867, De Witt married Mary Antoinette MacDonald (1844-1923) in New Brunswick, New Jersey.

This article incorporates public domain material from the Biographical Directory of the United States Congress