William Watts Hart Davis

William Watts Hart Davis (July 27, 1820 - December 26, 1910) was a brevetted Brigadier General of the United States Volunteers during the American Civil War. The rank was awarded to him on March 13, 1865, "for gallant and meritorious services, during operations against Charleston, South Carolina." Outside of his military service, he worked as a journalist, author and government official.

He was born in Bucks County, Pennsylvania, in 1820, to Major General John Davis and Amy (Hart) Davis. He was first educated at a private school run by Anna Longstreth and later attended a school at the Southampton Baptist Church. In 1832, he was enrolled in the Doylestown Academy. He finished his elementary education at a boarding school in Burlington, New Jersey. In 1841, he began studying at Partridge's University and Military School in Norwich, Vermont, graduating in 1842. After graduating he was hired as a maths teacher and commandant of cadets in the military academy at Portsmouth, Virginia, where he worked for three years. In 1846, while studying law at Harvard, he volunteered for service in the Mexican-American War, enlisting as a private in the First Massachusetts Infantry. He was commissioned first lieutenant of Captain Crowningshield's Company on December, 1, 1846. He was mustered out on July 24, 1848, when the war ended. Davis later served in the Civil War, raising his own regiment, the 104th Pennsylvania Regiment, after being given the authority to do so on August 21, 1861.

Davis, an avid historian, founded the Bucks County Historical Society. He wrote several books on topics ranging from local genealogy to military and political history.