William Morris Davis (August 16, 1815 – August 5, 1891), was an abolitionist, author and a Republican member of the U.S. House of Representatives from Pennsylvania. Among his friends were the New York sculptor Henry Kirke Brown, and the lock inventor Linus Yale.^[1]

William Morris Davis was born in Keene, New York. He moved to Pennsylvania and became a sugar refiner in Philadelphia. Davis was elected as a Republican to the Thirty-seventh Congress. He was elected as a member to the American Philosophical Society in 1883.^[2]

He died in Keene Valley in 1891. Interment in Friends Fair Hill Burial Ground in Germantown, Philadelphia.

• Nimrod of the Sea or The American Whaleman – AOSTON (Harper & Bros., New York 1874)^[3]

• United States Congress. "William Morris Davis (id: D000143)". Biographical Directory of the United States Congress.
• The Political Graveyard

• William Morris Davis (1815–1891) : the story of a nineteenth century American – Arthur M. Johnson (Washington DC, 1951)

• The Davis, Brown, and Yale Families Correspondence, including personal letters from William Morris Davis, are available for research use at the Historical Society of Pennsylvania.