m. 8 Aug 1637
m. 10 Aug 1682
Facts and Events
He was the second son of Richard Vaughan, 2nd Earl of Carbery and his second wife Frances Altham (c.1621 – 9 October 1650), daughter of Sir John Altham of Oxhey, Watford, Hertfordshire. He inherited his title and the Carmarthenshire estate (Golden Grove) in 1686 on the death of his father. His elder brother Francis had already died.
He married twice, first to Mary Brown, daughter of George Brown of Green Castle but they had no children. He remarried on 10 October 1682 to Anne Savile, daughter of George Savile, 1st Marquess of Halifax and his first wife, Lady Dorothy Spencer. They had two children;
He was invested as a Knight, Order of the Bath (KB) in April 1661. He was Member of Parliament (MP) for Carmarthen between 1661 and 1679 and again for Carmarthenshire between 1679 and 1689. During his time as Governor of Jamaica (1675–1678) his deputy was the notorious Sir Henry Morgan.
He was President of the Royal Society between 1686–1689, having been elected a Fellow in 1685. He was Colonel of the Regiment of Foot from 1673 to 1674 and Lord of the Admiralty from 1689 to 1690.
On his death his titles became extinct. His estates passed to a cousin, another John Vaughan (1693–1765), who rebuilt the Golden Grove mansion.