The title of Viscount Gormanston was created in the Peerage of Ireland in 1478, and is the senior Viscount of Ireland, as well as the bearer of the oldest vicomital title in the British Isles.
The Viscount bears the subsidiary titles of Baron Gormanston (1370) and Baron Loundres (1478) in the Peerage of Ireland and Baron Gormanston (1868) in the Peerage of the United Kingdom.
Sir Robert de Preston b.xxxx d.1396 was knighted in the field, 1361, by Lionel, Duke of Clarence, and obtained a grant forever of the Manor of Gormanston in the Counties of Dublin and Meath.
Jenico Preston b.xxxx d.3-17-1691, 7th ViscountGormanston, having adhered to his legitimate Sovereign, James II, was indicted for high treason, and outlawed upon that indictment 4-16-1691.
Jenico Preston b.abt.1640, 8th ViscountGormanston, although the title was not acknowledged but was borne by him and his three immediate successors.
GORMANSTON, JENICO WILLIAM JOSEPH PRESTON, 14th Viscount (1837-1907), governor, was born on 1 June 1837 at Gormanston Castle, Meath, Ireland, son of Edward Anthony John Preston, 13th ViscountGormanston and his wife Lucretia, née Jerningham.
Gormanston's next post was governor of Tasmania; he presided there for an extended term from 8 August 1893 until August 1900.
As Ireland's premier viscount, Gormanston was honoured as befitted his rank: high sheriff for Dublin (1865) and Meath (1871); deputy lieutenant for Dublin; K.C.M.G. (1887) and G.C.M.G. As governor, he proved no cipher.