In 1858 he published "Life of James Sullivan" about the former governor of Massachusetts and his grandfather. He later published extensively on the American Revolution as well as on various others of his ancestors, including Major-General John Sullivan and Sir Isaac Coffin. He also wrote numerous poems, the best known of which, "William Blaxton, Sole Inhabitant of Boston" was written at a time when the Old South Church of Boston was threatened with demolition. In 1858, Amory was elected a member of the
American Antiquarian Society. In 1863, Armory served as the
chairman of the Boston Board of Aldermen. He ran as the
Democratic nominee in the
1864 Boston mayoral election, losing by a large margin. == Death ==