A Naval Biographical Dictionary/Tyssen, John
TYSSEN. (Lieutenant, 1832.)
John Tyssen passed his examination in 1831; and attained the rank of Lieutenant 30 March, 1832. His succeeding appointments were – 25 June, 1834, to the Tribune 24, Capt. Jas. Tomkinson, in the Mediterranean – 16 Dec. 1836, to the Stag 46, Capt. Thos. Ball Sulivan, fitting for South America – 18 Nov. 1839, to the command of the Sparrow ketch, on the same station, whence he returned in 1842 – and in 1843 and 1846 to that of the Montreal schooner and Mohawk steamer of 60 horse-power on Lakes Erie and Huron. He has been on half-pay since Aug. 1848.