Silas M. Duncan (1788September 14, 1834) was an officer in the United States Navy during the War of 1812.
Biography
Born in Rockaway Township, New Jersey, Duncan was appointed midshipman on November 15, 1809. While third lieutenant of Saratoga during the Battle of Lake Champlain, on September 11, 1814, he was sent in a gig to order the gunboats to retire. He succeeded in delivering the orders despite concentrated enemy fire which severely wounded him and caused the loss of his right arm. For his gallant conduct he was thanked by Congress. From 1818 to 1824, Commander Duncan saw active service on board Independence, Hornet, Guerriere, , and Ferret.
On February 3, 1831, he married Martha Dandridge Aylett, granddaughter of American patriot Patrick Henry, third-youngest of six daughters from among the 13 children of Philip Aylett, of King William County, Virginia.
In 1831, he commanded the Lexington, which had been sent to reinforce the Brazil Squadron to protect American commerce, in part a response to Argentine proclamations on sealing and fishing in the South Atlantic. In July 1831, under orders from Luis Vernet (appointed Military and Civil Commander in the Falkland Islands by Buenos Aires), his deputy Matthew Brisbane seized the American vessels Superior, Breakwater and Harriet, charging them with sealing in the Falkland Islands in contravention of Vernet's regulations. The Breakwater escaped and the Superior was allowed to continue sealing on Vernet's terms. Brisbane and the others were later released on the orders of Commodore Rodgers Towards the end of his life, Luis Vernet authorised his sons to claim on his behalf for his losses stemming from the raid. In the case lodged against the US Government for compensation, rejected by the US Government of President Cleveland in 1885, Vernet claimed that the settlement was destroyed.
On December 7, 1832, the ARA Sarandí whilst on patrol around the Falkland Islands, encountered the American sealer The Sun under the command of T.P.Trott. After firing on The Sun and boarding her, the captain was ordered to quit the Falklands. Trott returned to Montevideo and addressed the American legation there seeking protection from an American warship.