Commodore Reigart Bolivar Lowry (July 14, 1826 – November 25, 1880) was born at La Guaira, Venezuela, the son of Robert K. Lowry of Maryland, United States Consul.
He was appointed a midshipman on January 21, 1840. Attached to the Home Squadron during the Mexican-American War, he took part in operations against Tampico, Tuxpan, Veracruz, Tabasco, Seven Palms and Alvarado.
At the outbreak of the Civil War he was part of the relief expeditions at Fort Sumter and took part in operations of the Potomac Flotilla. The Hatteras Expedition was undertaken upon suggestions and information given to the Department by him, for which he was thanked by the Secretary of the Navy.
He served with Admiral Farragut in the Battle of New Orleans and also took part in the first attack on Vicksburg by Admiral Farragut's Fleet, June 30, 1862. Subsequently, he participated in operations against the ram Arkansas and operations above Vicksburg; the engagement with Confederate batteries at Donaldsonville, Louisiana on October 4, 1862; and the bombardment of Galveston, Texas on January 10, 1863.
He had special duty in Washington, D.C. and after the Civil War commanded training ship SABINE; CANANDAIGUA in the North Atlantic Squadron; and the Naval Station, New London, Connecticut.
Commodore Lowry died at the Brooklyn Naval Hospital, November 25, 1880.