Morris, Lewis (1726–1798), an American patriot who was a signer of the Declaration of Independence. He was born on the manor of Morrisania (in what is now the Bronx), New York, and graduated from Yale. In 1762 he became lord of Morrisania. During the Revolutionary War Morris was a member of the Continental Congress, 1775–77, and also served in the army. He was a half brother of Gouverneur Morris.