The third son of John, the twenty-fifth Lord Kingsale, attained post rank in the navy, in 1783; and, subsequently, became captain of the Magnanime in which, among other captures, he took five French privateers; assisted at the taking of an enemy's frigate, mounting thirty-six guns and particularly distinguished himself, on the 12th of October, 1798, in the action off Ireland, under Sir J. B. Warren. In February of the following year, he was appointed to the Canada; and on the 10th of April, 1801, the Mars having been deismasted in a severe gale, he succeeded in rescuing her, though the attempt had been previously made, without success, by two other vessels. In 1803, he was made commander of the Plantagenet, third-rate, in which he cruised, for a period, off the Irish coast; and then escorted, to a safe latitude, a fleet bound for the East Indies. On his voyage back, he took charge of a quantity of ships that had sailed from China and when he arrived in this country, was presented, by the East India Company, with five hundred guineas.

He was next appointed to the St. George, ninety-eight, on the 28th of November, 1804 and served on the Jamaica station until the 9th of November of the ensuing year, when he was advanced to the rank of rear-admiral of the blue. In 1809, he commanded an armament employed in the embarkation of the land forces, at Corunna; and for the ability he displayed, received the thanks of parliament. Soon after this, he had the command - in-chief of a squadron at the Brazil’s, from whence he returned home, in 1812, having gained the friendship of the king of Portugal, who invested him with the order of the Tower and Sword. He became a vice-admiral on the 31st of July, 1810 and admiral of the blue on the 19th of July, 1821. He was married on the 24th of October, 1786, to a Miss Blennerhasset, a lady of Kerry, by whom he had issue and died on the 22nd of February, 1824, at his seat, Stoketon House, near Saltash, Cornwall.