Audley Mervyn

Sir Audley Mervyn of Trillick (1603?–1675) was a lawyer and politician in seventeenth-century Ireland. He was MP for County Tyrone and Speaker of the Irish House of Commons 1661-1666.

He was the second son of Sir Henry Mervyn of Petersfield, Hampshire, who married his cousin Lady Christian Tuchet, daughter of George Tuchet, 1st Earl of Castlehaven and his wife Lucy Mervyn.

He attended Christ Church, Oxford. He moved to Ireland, at the suggestion of his Castlehaven relatives, who had large estates in that country, and himself became a substantial landowner. By 1640 he had become a captain in the army raised for Thomas Wentworth, 1st Earl of Strafford and in the same year was elected MP for Tyrone. In 1641 he led the attack on Strafford in the Irish House of Commons, presenting articles of impeachment against Sir Richard Bolton, Lord Chancellor of Ireland; John Bramhall, Bishop of Derry; Sir Gerard Lowther, Chief Justice of the Irish Common Pleas; and Sir George Radcliffe, member of the Privy Council of Ireland. These were all friends and ministers of the Earl of Strafford, then under impeachment by the House of Commons of England.

Between 1641 and 1661 he served in the Army, rising to the rank of Colonel. His movements during the 1650s are unclear: at one point he was arrested and returned to England but was shortly thereafter allowed to go back to Ulster. He evidently decided on a legal career and entered the King's Inn in 1658. In 1660 he was appointed as one of twelve commissioners sent from Tyrone to Charles II, was knighted, and was appointed to the post of Prime Serjeant, the senior law post in Ireland.James Butler, 1st Duke of Ormonde, the Lord Lieutenant of Ireland, however, had always distrusted him and preferred to take advice only from the Attorney General for Ireland, Sir William Domville, so that in a few years Mervyn's role as legal adviser effectively lapsed. From then on the Attorney General of Ireland was always in practice the senior adviser.

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