Prosperous British merchant in Montreal; moderate Whig. With Thomas Walker and four others, he was deputed to represent the English residents of Montreal in Quebec and protest the implementation of the Quebec Act (1774). Repeatedly loaned large sums of money to equip the American troops under Montgomery and Arnold. Deputy Commissary-General of Stores and Provisions for the Americans (1776). Went to Philadelphia with Walker to urge Congress to normalize relations with the Indians (April 1776). Later settled as a merchant in Boston; collaborated with John Bondfield and William Haywood to outfit American privateers. Traveled to France (c. 1781-84). Friend of Lafayette.
Born in Montreal. Married; had issue.