William Berkeley, 4th Baron Berkeley of Stratton PC, PC (I) (died 24 March 1741), was a British politician and judge, of the Bruton branch of the Berkeley family. He was Master of the Rolls in Ireland between 1696 and 1731 and also held political office as Chancellor of the Duchy of Lancaster from 1710 to 1714 and as First Lord of Trade from 1714 to 1715.
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Background
Berkeley was the third son of John Berkeley, 1st Baron Berkeley of Stratton, by Christiana, daughter of Sir Andrew Riccard. Charles, a naval captain who held the title for two years, and John, an admiral who held the title for 16 years, were his elder brothers. William lived a much longer life. He was born on an unknown date between John's 1663 birth and 23 March 1672 which would have made William a septuagenarian by the time of his death in 1741.
Political and judicial career
In 1696 Berkeley was appointed Master of the Rolls in Ireland and sworn of the Irish Privy Council. The following year he succeeded his elder brother in the barony. In 1710 he was admitted to the English Privy Council and appointed Chancellor of the Duchy of Lancaster. He was made First Lord of Trade in 1714, a post he held until 1715. He remained Master of the Rolls in Ireland during this period and continued in this post until 1731.



