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 of Murrough O'Brien, 1st Earl of Thomond).

He died at Ennis Abbey in 1557. The title passed to his son Murrough McDermot O'Brien, 3rd Baron Inchiquin.

References

Leigh Rayment's Peerage Pages ^{[self-published source]} ^{[better source needed]}

Peerage of Ireland
Preceded by Murrough O'Brien	Baron Inchiquin 1551–1557	Succeeded by Murrough O'Brien

v t e Ó Briain
General	High King of Ireland Munster Kings of Munster Thomond Kings of Thomond Kings of Dublin Kings of Mann and the Isles Earl of Thomond Viscount Clare Baron Inchiquin O'Brien baronets Clare's Dragoons Composition of Thomond
Ó Briain	Brian Bóruma Donnchad mac Briain Tadc mac Briain Murchad mac Donnchada Toirdelbach Ua Briain Muirchertach Ua Briain Domnall mac Taidc Domnall Gerrlámhach Diarmait Ua Briain Conchobar Ua Briain Bé Binn Ní Briain Brian Ua Briain Toirdhealbhach mac Diarmada Ua Briain Muircheartach mac Toirdelbhach Ó Briain Domnall Mór Ua Briain Muircheartach Finn Ó Briain Conchobhar Ruadh Ó Briain Donnchadh Cairbreach Ó Briain Conor na Siudane Ua Briain
Ó Briain Clann Brian Ruadh	Brian Ruadh Ó Briain Donnchadh mac Brian Ruadh Ó Briain Diarmuid Cléirech Ó Briain Donnchadh mac Domhnall Ó Briain Brian Bán Ó Briain
Ó Briain Clann Tadhg	Tadhg Cael Uisce Ó Briain Toirdhealbhach Mór Ó Briain Donnchadh mac Toirdelbach Ó Briain Muircheartach Ó Briain Diarmuid mac Toirdelbach Ó Briain Mathghamhain Maonmhaighe Ó Briain Brian Sreamhach Ua Briain Toirdelbhach Maol Ó Briain Conchobhar mac Mathghamhna Ó Briain Tadhg an Glemore Ó Briain Mathghamhain Dall Ó Briain Toirdhealbhach Bóg Ó Briain Tadhg an Chomhaid Ó Briain Donnchadh mac Mathghamhna Ó Briain Conchobhar na Srona Ó Briain Toirdhealbhach Óg Ó Briain Toirdhealbhach Donn Ó Briain Conchobhar mac Toirdhealbaig Ó Briain Murchadh Carrach Ó Briain
Ó Briain Tuamhain	Donough I O'Brien Connor O'Brien Donough II O'Brien Henry I O'Brien Barnabas O'Brien Henry II O'Brien Henry Ibrackan O'Brien Henry Horatio O'Brien Henry III O'Brien
Ó Briain Chláir	Daniel I O'Brien Connor O'Brien Daniel II O'Brien Daniel III O'Brien Charles I O'Brien Charles II O'Brien Charles III O'Brien
Ó Briain Inse Uí Chuinn	Dermod I O'Brien Murrough I McDermot O'Brien Murrough II O'Brien Dermod II O'Brien Murrough III O'Brien William I O'Brien William II O'Brien William III O'Brien James O'Brien Murrough IV O'Brien Edward Dominic O'Brien William IV O'Brien James O'Brien
Ó Briain Drom Ólainn	Donough O'Brien Edward I O'Brien Lucius I O'Brien Edward II O'Brien William Smith O'Brien Lucius II O'Brien Edward O'Brien Lucius O'Brien Donough O'Brien Phaedrig O'Brien Conor O'Brien
Places	County Clare County Limerick Dromoland Castle
Kinsmen	MacMahon MacConsidine MacLysaght O'Crotty
Category

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