William FitzWilliam (Lord Deputy) William FitzWilliam (Lord Deputy) Sir William FitzWilliam (1526–1599) was an English Lord Justice of Ireland and afterwards Lord Deputy of Ireland. In 1587, as Governor of Fotheringhay Castle, he supervised the execution of the death sentence on Mary, Queen of Scots. He was the Member of Parliament for Peterborough and represented County Carlow in the Irish House of Commons. He lived at Gainspark, Essex, and Milton Hall. FitzWilliam was born at Milton Hall, Northamptonshire, the eldest son of Sir William (d. 1576) and grandson of William Fitzwilliam, Sheriff of London, who had been treasurer and chamberlain to Cardinal Wolsey and
Carrickmines Castle Carrickmines Castle Carrickmines Castle is an archaeological site in Carrickmines, County Dublin, in eastern Ireland. The castle was built in the Middle Ages to protect the English-ruled Pale around Dublin. The mostly subsurface ruins lay in the path of the M50 Motorway, completed in 2005. Sections of the medieval walls and some sections of the castle's defensive structures were preserved within or under M50 roundabouts. Carrickmines Castle was the site of an Hiberno-Norse settlement which during the 12th century became a fortified Norman castle and village, on the frontier between Dublin and Wicklow, Ireland. Guarding the southern plains, this fortress