Baron Inchiquin ( Irish : Barún Inse Uí Chuinn ) is one of the older titles in the Peerage of Ireland . It was one of two titles created on 1 July 1543 for Murrough O'Brien, Prince of Thomond , who claimed descent from Brian Boru , a High King of Ireland. The English titles were granted under the policy of surrender and regrant , and therefore conditional upon the abandonment of any Irish titles, the adoption of English customs and laws, pledging of allegiance to the Crown , apostasy from the Catholic Church , and conversion to the Church of Ireland . Murrough was made both Earl of Thomond in the Peerage of Ireland, with remainder to his nephew Donough O'Brien and Baron Inchiquin, with remainder to his male heirs. Following the death of his cousin, Conor Myles John O' Brien in June 2023, Conor John Anthony O' Brien is currently the 19th Baron Inchiquin
21-474: On his death in 1551, Murrough was succeeded in the earldom, according to the special remainder, by his nephew, the second Earl (see Earl of Thomond for the later history of this title), but the barony of Inchiquin passed to his son Dermod, the second baron. Dermod's great-great-grandson, the sixth baron, was a prominent military commander during the Irish Confederate Wars (1643–48), first for
42-465: A President of Ireland was instituted instead. The 16th Baron was succeeded by his younger brother Phaedrig O'Brien, 17th Baron Inchiquin , a consulting geologist , who in turn was succeeded by his nephew, the 18th baron. Following the death of the 18th baron in 2023, the direct male line of the 15th baron failed; the 18th baron was succeeded by his second cousin. In the Gaelic nobility , Lord Inchiquin
63-529: Is The O'Brien, Chief of the Name, Prince of Thomond . The family seat of the O'Brien Baronetcy was Dromoland Castle , near Newmarket-on-Fergus , County Clare . The current Baron Inchiquin lives in Thomond House adjacent to Dromoland. The heir apparent is the present peer's son, Hon. Fionn Murrough O'Brien (born 1987). See above for further succession. There are further heirs in line descended from
84-574: The Ard Rí or High King of Ireland , Brian Boru . O'Brien was also created Baron Inchiquin , on 1 July 1543. On the same day his nephew and heir, Donough O'Brien , was created Baron Ibrickane . The titles of Ibrickane and Thomond merged on the first Earl's death in 1551, and the barony of Inchiquin went to his eldest son. The 8th Earl was created Viscount Tadcaster , in the Peerage of Great Britain , on 19 October 1714. However, when he died in 1741,
105-707: The British House of Commons . The fifth earl, Murrough O'Brien , was the nephew and son-in-law of his predecessor. In 1800, he was created Marquess of Thomond in the Peerage of Ireland, with remainder to his brother, the Honorable Edward Dominic O'Brien , a captain in the British Army . The following year he was made Baron Thomond of Taplow in the County of Buckingham in the Peerage of
126-798: The English Parliament , then as a Royalist commander during the Cromwellian conquest of Ireland (1649–53) during the Wars of the Three Kingdoms . In 1654 he was created Earl of Inchiquin in the Peerage of Ireland. He was succeeded by his son, William O'Brien, 2nd Earl of Inchiquin , who served as governor of English Tangier and as Governor of Jamaica . His son, William O'Brien, 3rd Earl of Inchiquin , became Governor of Kinsale in 1693. The fourth earl, also named William O'Brien , represented Windsor , Camelford and Aylesbury in
147-465: The O'Brien Clan , descended in the paternal line from Brian Boru , a previous High King of Ireland : the most senior representative at the time was Donough O'Brien, 16th Baron Inchiquin . Oulton said that Donough's nephew Conor O'Brien, 18th Baron Inchiquin , confirmed that De Valera did offer Donough O'Brien the title of Prince-President of the Irish Republic, but this was turned down and so
168-526: The 13th Baron (father of the 14th Baron) and earlier generations. There is some overlap with the Barons Inchiquin; those people are marked off in bold. Lord Inchiquin is the name of a traditional Irish air by O'Carolan , assumed to be dedicated to his contemporary William O'Brien, 4th Earl of Inchiquin . The painter George O'Brien , who made his name as an artist in New Zealand ,
189-517: The 13th Baron, the fifth Baronet O'Brien had represented County Clare in the House of Commons and was later an Irish Representative Peer. He also served as Lord Lieutenant of County Clare . He was succeeded by his son, Edward O'Brien, 14th Baron Inchiquin , also an Irish Representative Peer and Lord Lieutenant of County Clare. His son, Lucius O'Brien, 15th Baron Inchiquin , also sat in the House of Lords as an Irish Representative Peer, and also served in
210-781: The British House of Commons by contesting the Eastern Division of County Clare in 1885. He was State Steward to the Lord Lieutenant of Ireland in 1895. He succeeded his father's peerage in 1900, serving hence as an Irish Representative Peer in the House of Lords . In 1921 he was appointed to the Senate of Southern Ireland which was abolished the next year by the formation of the Irish Free State . He
231-458: The British military and had been appointed High Sheriff of Clare in 1898, and justice of the peace of Salop . According to Desmond Oulton (owner of Clontarf Castle ), his father John George Oulton had suggested to Éamon de Valera towards the end of the Irish Free State , that Ireland should have its own king again, as it was in the times of Gaelic Ireland . He suggested to him, a member of
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#1732779713963252-549: The United Kingdom to allow him to sit in the House of Lords , with remainder to the male heirs of his body. He died without male issue in 1808, when the barony of Thomond became extinct. He was succeeded in the marquessate according to the special remainder, and in the other Irish titles, by his nephew William O'Brien, 2nd Marquess of Thomond , the third son of the aforementioned Captain Edward O'Brien. The second marquess
273-544: The marquessate and earldom of Inchiquin became extinct. In 1855, he was succeeded in the barony of Inchiquin by his distant relative Sir Lucius O'Brien, 5th Baronet , who became the 13th Baron Inchiquin. The O'Brien Baronetcy , of Leaghmenagh in the County of Clare, had been created in the Baronetage of Ireland in 1686 for Donough O'Brien, who had earlier represented County Clare in the Irish House of Commons . He
294-662: The next heir would have been a descendant of Daniel O'Brien, 3rd Viscount Clare who was attainded in 1691, so the three titles became forfeit . However, Charles O'Brien, 6th Viscount Clare , a Jacobite exile used the title Earl of Thomond, as did his son, who died childless in 1774. The second creation was on 11 December 1756 when Percy Wyndham-O'Brien was created Earl of Thomond and Baron Ibracken . On his death in 1774, both titles became extinct. Lucius O%27Brien, 15th Baron Inchiquin Lucius William O'Brien, 15th Baron Inchiquin (21 June 1864 – 9 December 1929)
315-538: Was Deputy Lieutenant and Justice of the Peace for County Clare , of which county he was High Sheriff for 1898. He was also a Justice of the Peace for the county of Salop, Shropshire . On 14 January 1896, Inchiquin married, at Richard's Castle , Ethel Jane Foster, daughter of Johnston Jonas Foster, of Moor Park near Ludlow , Shropshire, which became his English residence. Together they had six children: Lord Inchiquin died on 9 December 1929, aged sixty-five, and
336-723: Was a descendant of the first Baron Inchiquin. Earl of Thomond Earl of Thomond was an hereditary title in the Peerage of Ireland . It was created twice for the O'Brien dynasty which is an ancient Irish sept native to north Munster . Under the Crown of Ireland Act 1542 , King Henry VIII of England was created King of Ireland by the Parliament of Ireland . In consequence, all reigning monarchs and clan chiefs in Ireland were ordered to surrender their native titles in return for peerages. This surrender and regrant offer
357-520: Was an Irish representative peer . In 1826 he was created Baron Tadcaster of Tadcaster in the County of York in the Peerage of the United Kingdom. He had no sons and on his death in 1846 the barony of Tadcaster became extinct. He was succeeded in the Irish peerages by his younger brother, James O'Brien, 3rd Marquess of Thomond , an admiral in the Royal Navy . He had no sons and on his death in 1855
378-754: Was commissioned into the Royal Irish Rifles in 1885, transferring in 1886 to the Rifle Brigade (The Prince Consort's Own) in which he served until 1893. On 17 October 1900 he succeeded his father as Honorary Colonel of the Clare Royal Garrison Artillery (Militia) , which became the Clare Royal Field Reserve Artillery ( Special Reserve ) before being disbanded in 1909. Politically a Conservative , O'Brien unsuccessfully stood for
399-516: Was conditional upon the adoption of Tudor customs and laws, including pledging allegiance to the Irish Crown and apostatising from the Catholic faith by accepting the articles of the state established Church of Ireland . Through surrender and regrant, the earldom of Thomond was created in 1543 for Murrough O'Brien . He had previously been styled King of Thomond and was descended from
420-597: Was the England -born holder of a hereditary peerage in the Peerage of Ireland , as well as Chief of the Name of O'Brien and Prince of Thomond in the Gaelic Irish nobility . O'Brien was born in England the second of four children, and oldest son, to Edward O'Brien, 14th Baron Inchiquin and first wife Emily A'Court, at Belmore near Bishop's Waltham , Hampshire . He was educated at Eton College . O'Brien
441-501: Was the great-great-grandson and namesake of Donough O'Brien (died 1582), younger son of the first Earl of Thomond and first Baron Inchiquin. His grandson, the second baronet, great-grandson the third baronet, and great-great-grandson the fourth baronet, also represented County Clare in the Irish Parliament, with the fourth baronet also representing Ennis . The latter was succeeded by his son, the fifth baronet. Before becoming
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