MOORE, William, statesman, born probably in Philadelphia about 1735; died there, 24 July, 1793. His father, Robert. came to this country from the Isle of Man. The son began a mercantile career, and on 11 December, 1776, was appointed by the assembly on the council of safety, which, on 13 March, 1777, placed him on the newly organized board of war. In the same year he was chosen a delegate to the Continental congress, but declined to serve. He became a member of the supreme executive council of the state in 1779, was elected its vice-president, and in 1781 was chosen president and proclaimed "captain-general and commander-in-chief in and over the commonwealth of Pennsylvania." His term as councillor expired in October, 1782, and the constitution prohibited a reelection. Governor Moore was commissioned a judge of the high court of errors and appeals in March, 1783, and was chosen a member of the assembly in 1784. In February of that year lie was made a director of the Bank of Pennsylvania, and in July he was chairman of a meeting of the citizens of Philadelphia that was convened to place the public debts on a permanent foundation. He was a trustee of the University of Pennsylvania in 1784-'9. Governor Moore during the Revolution was a friend and associate of Robert Morris.--His only daughter, Elizabeth, married the Marquis de Marbois, French charge d'affaires in this country, who negotiated the treaty for the sale of Louisiana to the United States.