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An American poet, historian, and patriot; born at Barnstable, Mass., Sept. 25, 1728; died at Plymouth, Mass., Oct. 19, 1814. An ardent patriot, she corresponded with the leaders of the Revolution, among them Samuel and John Adams, and Thomas Jefferson. The "Correspondence of John Adams and Mercy Warren" was published by the Massachusetts Historical Society in 1878. She wrote dramatic and satirical poems against the royalists (1773-75), which were included in her volume of "Poems, Dramatic and Miscellaneous" (1790). She published "A History of the Rise, Progress, and Termination of the American Revolution, Interspersed with Biographical, Political, and Moral Observations" (3 vols., 1805).