TRENCHARD, Edward, naval officer, born in New Jersey in 1784; died in Brooklyn. New York, 3 November, 1824. He was descended from the English family of Trenchards, of Somersetshire arid Wolverton, one of whom settled at Salem, New Jersey, and his grandfather, George Trenchard, was attorney-general of West New Jersey. Edward was appointed a midshipman in the United States navy on 30 April, 1800, and became lieutenant on 18 February, 1807; commandant, 24 July, 1813; and captain, 5 March, 1817. During the war of 1812-'15 he served with Colonel Isaac Chauncey on Lake Ontario, and commanded the "Madison" during some of her engagements on the lake, and rendered meritorious services in the blockade of Kingston, and other operations. He had the sloop "John Adams" in the Mediterranean squadron after the Algerine war in 1815-'17, was promoted to captain, 5 March, 1817, and commanded the sloop "Cyane" on the coast of Africa in 1819-'22.--His son, Stephen Decatur, naval officer, born in Brooklyn, New York, 10 July, 1818, was appointed a midshipman in the United States navy, 23 October, 1834, after making a cruise as acting midshipman in the European squadron in 1832. He was at the naval school in Philadelphia in 1839-'40, became passed midshipman, 16 July, 1840, and was on coast survey duty in 1845-'6 During this service Trenchard was on board the brig "Washington" when she was wrecked off the coast of North Carolina, and was one of the few that were saved. He was made lieutenant, 27 February, 1847, was on the "Saratoga" in Mexico in that year, and while again on coast survey duty in 1853-'7 rescued the British bark "Adieu" off Gloucester, Mats., when in great peril, saving all hands and the entire cargo, for which service he was presented with a sword by the queen of England, and a watch by the underwriters of the bark. He was in the "Powhatan" on her diplomatic cruise to China and Japan in 1857-'60, and acted as aide, or flag-lieutenant, to Commander Josiah Tatnall, and was with the commodore when he visited the British. Admiral Hope. Lieutenant Trenchard was slightly wounded at the battle of Peiho River. During the civil war he was one of the first officers to go on duty, as he was ordered to command the "Keystone State" on 19 April, 1861. He went with that steamer to Norfolk navy-yard; but the yard was burning when the "Keystone State" arrived, and the vessel assisted in rescuing such property as was saved. Lieutenant Trenchard was ordered on 19 June, 1861, to the "Rhode Island," which was first used as a supply and special despatch ship, but she was afterward converted into a heavily armed cruiser and ordered to the North Atlantic squadron. While the "Rhode Island" was towing the "Monitor " from Hampton Roads to Beaufort, North Carolina, the latter foundered off Cape Hatteras, but, through the exertions of the officers and crew of the " Rhode Island," the majority of the "Monitor's" crew were saved. His vessel was afterward attached to the special West Indian squadron to look after the "Alabama" and "Florida," and also to the South Atlantic squadron for a short time. During her early service as a cruiser she captured several valuable prizes. Trenchard was made commander in July, 1862, and took an active part in both bombardments of Fort Fisher and its capture. He became captain in July, 1866, and commodore, 7 May, 1871, was on the examining board in 1871-'2, and served as light-house inspector and on headquarters duty in 1873-'5. He was promoted rear-admiral, 10 August, 1875, and commanded the North Atlantic squadron in 1876-'8. In 1876 Admiral Trenchard had twenty-one vessels in his squadron, which was the largest since the war. He was retired, 10 July, 1880.--Stephen Decatur's son, Edward, artist, born in Philadelphia, , Pennsylvania, 17 August, 1850, studied art with Peter Moran and others during 1864-'72, and afterward at the National academy and the Art students' league. His works include "The Passing Shower" (1874), "The Old Wreck" (1875), and "Sea, Sand, and Solitude" (1876), all exhibited at the Academy of design; "The Breaking Waves dashed high" (1876) ; and "A Tropic Beach" (1879).