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
Church of St Mary and All Saints, Fotheringhay commemorated annually by the Richard III Society by the placing of white roses in the church. The church contains a notable 15th-century painted pulpit donated by Edward IV carrying the royal arms, flanked by a bull for George of Clarence and a silver boar for Richard of Gloucester. The current 2 manual pipe organ is by Vincent Woodstock and dates from around 2000. A specification of the organ can be found on the British Institute of Organ Studies National Pipe Organ Register at D08348. Church of St Mary and All Saints, Fotheringhay The Church of St Mary and All Saints,