There were six early Barons Inchiquin in Ireland between 1543 and 1654. The title was granted to Murrough O'Brien, the brother of Conor O'Brien, King of

Thomond Thomond (Classical Irish: ; Modern Irish: ), also known as the kingdom of Limerick, was a kingdom of Gaelic Ireland, associated geographically with present-day County Clare and County Limerick, as well as parts of County Tipperary around Nenag ...

, when he surrendered his Irish royalty to

King Henry VIII Henry VIII (28 June 149128 January 1547) was King of England from 22 April 1509 until his death in 1547. Henry is best known for his six marriages, and for his efforts to have his first marriage (to Catherine of Aragon) annulled. His disag ...

in 1543. His descendants held the title until 1654, when Murrough O'Brien, 6th Baron Inchiquin was created Earl of Inchiquin.

Murrough O'Brien, 1st Baron Inchiquin

Murrough O'Brien, 1st Earl of Thomond and 1st Baron Inchiquin (died 1551) was the son of Turlogh O'Brien (Toirdelbach Ua Briain), Prince of Thomond (died 1528) and Raghnailt Macnamara, daughter of John Macnamara. His father was the son of Teige An Chomard, King of Thomond. He took the crown of Thomond on the death of his brother Conor 1540, but surrendered power to Henry VIII after the Irish Parliament passed the

Crown of Ireland Act 1542 The Crown of Ireland Act 1542 is an Act passed by the Parliament of Ireland (33 Hen. 8 c. 1) on 18 June 1542, which created the title of King of Ireland for King Henry VIII of England and his successors, who previously ruled the island as Lor ...

, making his submission in 1543 in London, where he was created an earl. Murrough O'Brien married Eleanor FitzGerald, daughter of John FitzGerald, Knight of Glin. Murrough O'Brien was succeeded in the earldom of Thomond according to a special

remainder In mathematics, the remainder is the amount "left over" after performing some computation. In arithmetic, the remainder is the integer "left over" after dividing one integer by another to produce an integer quotient ( integer division). In algeb ...

by his nephew Donough. His son Dermod was the 2nd Baron Inchiquin in the

tail male In English common law, fee tail or entail is a form of trust established by deed or settlement which restricts the sale or inheritance of an estate in real property and prevents the property from being sold, devised by will, or otherwise alien ...

. His other children were Donough, Teige and Torlogh.

Dermod O'Brien, 2nd Baron Inchiquin

Dermod O'Brien, 2nd Baron Inchiquin Dermod McMurrough O'Brien (died 1 May 1557) was the 2nd Baron Inchiquin. He was the son of Murrough O'Brien, 1st Earl of Thomond and Eleanor FitzGerald. O'Brien married Margaret O'Brien, daughter of Donough O'Brien, 2nd Earl of Thomond (a nephew ...

(d. 1 May 1557) was the son of Murrough O'Brien, 1st Earl of Thomond and his wife Eleanor FitzGerald. He married Margaret O'Brien, daughter of Donough O'Brien and Slany MacNamara, before 1550. His son Murrough McDermot was the 3rd Baron Inchiquin.

Murrough McDermot O'Brien, 3rd Baron Inchiquin

Murrough McDermot O'Brien, 3rd Baron Inchiquin Murrough McDermot O'Brien (c.1550 - 20 April 1573) was the 3rd Baron Inchiquin. He was the son of Dermod O'Brien, 2nd Baron Inchiquin and Margaret O'Brien and inherited his title in 1557 on the death of his father. He married Margaret Cusack, ...

(1550–1574) was the son of Dermod O'Brien, 2nd Baron Inchiquin and his wife Margaret O'Brien. He married Margaret Cusack, daughter of Thomas Cusack, Lord Chancellor of Ireland. His son Murrough was the 4th Baron Inchiquin. As late as 1559, we hear that the O'Bryans and others Irish peers could understand no English, and required the services of the Earl of Ormonde to translate the learned speeches of Sir Thomas Cusack into their tongue.

Murrough O'Brien, 4th Baron Inchiquin

Murrough O'Brien, 4th Baron Inchiquin Murrough MacMurrough O'Brien, 4th Baron of Inchiquin (1562 – 24 July 1597) was the son of Murrough McDermot O'Brien, 3rd Baron Inchiquin and Margaret Cusack, daughter of Sir Thomas Cusack of Cussington, Meath, Lord Chancellor of Ireland and hi ...

(1563–1597) was the son of Murrough McDermot O'Brien, 3rd Baron Inchiquin and his wife Margaret Cussack. He married Mabel Nugent, daughter of

Christopher Nugent Sir Christopher Nugent, 6th (or 14th) Baron Delvin (1544–1602) was an Irish people, Irish nobleman and writer. He was arrested on suspicion of treason against Queen Elizabeth I of England, and died while in confinement before his trial had tak ...

, 5th Baron Delvin. His son Dermod was the 5th Baron Inchiquin. However, another source states that Murrough married Margaret, daughter of Sir Thomas Cusack, Lord Chancellor, and Lord Justice of the "Pale", and had children Dermod, Teige (who married Slaine, daughter of Murrough O'Brien of the Aran Isles) and Slaine, who married William Dongan, Recorder of Dublin. According to this source, it was his father who married Anabella (or Mable), daughter of Christopher Nugent, the ninth Lord Delvin.

Dermod O'Brien, 5th Baron Inchiquin

Dermod O'Brien, 5th Baron Inchiquin Dermod McMurrough O'Brien, 5th Baron Inchiquin (October 1594 – 29 December 1624) was an Irish baron. cites Biography Dermod, who was born in October 1594, was the son of Murrough O'Brien, 4th Baron Inchiquin (1562 – 24 July 1597), the son ...

(c. November 1594 – 2 December 1624) was the son of Murrough O'Brien, 4th Baron Inchiquin and his wife Mabel Nugent. Dermot O'Brien had a daughter Honora (mother unknown) who married Anthony Stoughton of Rattoo,

County Kerry County Kerry ( gle, Contae Chiarraí) is a county in Ireland. It is located in the South-West Region and forms part of the province of Munster. It is named after the Ciarraige who lived in part of the present county. The population of the co ...

. Dermod O'Brien married Ellen FitzGerald, daughter of Sir Edmund

FitzGerald The FitzGerald/FitzMaurice Dynasty is a noble and aristocratic dynasty of Cambro-Norman, Anglo-Norman and later Hiberno-Norman origin. They have been peers of Ireland since at least the 13th century, and are described in the Annals of the ...

Cloyne Cloyne () is a small town to the southeast of Midleton in eastern County Cork. It is also a see city of the Anglican (Church of Ireland) Diocese of Cork, Cloyne and Ross, while also giving its name to a Roman Catholic diocese. St Colman's Ca ...

County Cork County Cork ( ga, Contae Chorcaí) is the largest and the southernmost county of Ireland, named after the city of Cork, the state's second-largest city. It is in the province of Munster and the Southern Region. Its largest market towns are ...

, from a powerful Hiberno-Norman family. Their daughter Mary married Michael Boyle, Archbishop of Armagh and their son, Murrough, 6th Baron Inchiquin, became the first Earl of Inchiquin. Other children were Henry (died 1645), a lieutenant colonel in the army Of King Charles I, Christopher (died c. 1664) and Ann.

Murrough O'Brien, 6th Baron Inchiquin

Murrough O'Brien, 6th Baron Inchiquin (1618–1674) was the son of Dermod O'Brien, 5th Baron Inchiquin and his wife Ellen FitzGerald. On the outbreak of the

Irish Rebellion of 1641 The Irish Rebellion of 1641 ( ga, Éirí Amach 1641) was an uprising by Irish Catholics in the Kingdom of Ireland, who wanted an end to anti-Catholic discrimination, greater Irish self-governance, and to partially or fully reverse the plantatio ...

, King Charles I made him governor of Munster. He was forced to submit to parliament in 1644, and was made

President of Munster The post of Lord President of Munster was the most important office in the English government of the Irish province of Munster from its introduction in the Elizabethan era for a century, to 1672, a period including the Desmond Rebellions in Munst ...

. O'Brien became declared for Charles I in 1648, fortified the southern ports against parliament and signed a truce with the confederate Catholics. He joined by

James Butler, 1st Duke of Ormonde Lieutenant-General James FitzThomas Butler, 1st Duke of Ormond, KG, PC (19 October 1610 – 21 July 1688), was a statesman and soldier, known as Earl of Ormond from 1634 to 1642 and Marquess of Ormond from 1642 to 1661. Following the failur ...

, with whom he got possession of Drogheda and Dundalk. Facing

Oliver Cromwell Oliver Cromwell (25 April 15993 September 1658) was an English politician and military officer who is widely regarded as one of the most important statesmen in English history. He came to prominence during the 1639 to 1651 Wars of the Three Ki ...

's superior forces he retired to the west of the Shannon and then left Ireland for France in 1650, where he became one of the royal council and in 1654 was created

Earl of Inchiquin Earl () is a rank of the nobility in the United Kingdom. The title originates in the Old English word ''eorl'', meaning "a man of noble birth or rank". The word is cognate with the Scandinavian form ''jarl'', and meant "chieftain", particular ...

. He served under the French in Catalonia in 1654, and was engaged in the Sexby Plot in 1656 and in the same year became a Roman Catholic. He was taken prisoner by the Algerines in 1660, but ransomed the same year and became high steward of Queen

Henrietta Maria Henrietta Maria (french: link=no, Henriette Marie; 25 November 1609 – 10 September 1669) was Queen of England, Scotland, and Ireland from her marriage to King Charles I on 13 June 1625 until Charles was executed on 30 January 1649. She wa ...

's household. He lived quietly in Ireland after 1663.David Plant, websit
Murrough O'Brien, 1st Earl of Inchiquin, 1614–74
the British Civil Wars and Commonwealth Lee, Sidney (1903),

Dictionary of National Biography The ''Dictionary of National Biography'' (''DNB'') is a standard work of reference on notable figures from British history, published since 1885. The updated ''Oxford Dictionary of National Biography'' (''ODNB'') was published on 23 September ...

br>Index and Epitomep. 961
(also main entry xli 320)

References

{{Reflist Early Modern Ireland O'Brien dynasty