Clement Clarke Moore test that Livingston was the more likely author. General A Visit from St. Nicholas Clement Clarke Moore Clement Clarke Moore (July 15, 1779 – July 10, 1863) was a writer and American Professor of Oriental and Greek Literature, as well as Divinity and Biblical Learning, at the General Theological Seminary of the Protestant Episcopal Church, in New York City. The seminary was developed on land donated by Moore and it continues on this site at Ninth Avenue between 20th and 21st streets, in an area known as Chelsea Square. Moore's connection with the seminary continued for more than 25 years.
Clement Moore Butler was thereafter chaplain to the United States minister at Rome, Italy, and the second rector of Grace Church (now St. Paul’s Within the Walls) in Rome (1861–1864). When Butler returned to the United States in 1864, he became professor of ecclesiastical history at the Divinity School of the Protestant Episcopal Church, Philadelphia, until 1884 when he retired due to ill health. Butler died on March 5, 1890, in Germantown, Pennsylvania. In 1836 Butler married Frances Livingston Hart (1816–1895) in Washington, DC. They had three children: Frances Livingston Butler, Helen Moore Butler and Clement Moore Butler. Frances was a niece of