Dermod O'Brien, 5th Baron Inchiquin

Dermod, who was born in October 1594, was the son of Murrough O'Brien, 4th Baron Inchiquin (1562 – 24 July 1597), the son of Murrough McDermot O'Brien, 3rd Baron Inchiquin and Mabel Nugent, daughter of Christopher Nugent, 6th Baron Delvin.{{harvnb|Lundy|2012|p=10284 § 102833}} cites {{harvnb|Mosley|2003, vol. 2|p=2035}} He inherited the barony at the age of two.

Dermod O'Brien married Ellen, eldest daughter of Sir Edmund FitzJohn FitzGerald of Cloyne and Ballymaloe House in County Cork, from that powerful Hiberno-Norman family. They had four sons,{{sfn|Inchiquin|1861|page=67}}{{efn|John O'Hart states that there were two sons called Christopher and the first died as an infant.{{sfn|O'Hart|2007|p=129}} However Lucius, 13th Lord Inchiquin in his "Petition..." states that there were only three brothers,{{sfn|Inchiquin|1861|page=67}} and Darryl Lundy citing Cokayne and Mosley only mentions one Christopher.{{sfn|Lundy|2012|p=10284 § 102833}} }} and several daughters:

• Murrough, 6th Baron Inchiquin, their eldest son, became the first Earl of Inchiquin.{{sfn|Bagwell|1888|p=320}}
• Henry (d. 1645), a lieutenant colonel in the army of King Charles I.{{sfn|O'Hart|2007|p=129}}{{sfn|Inchiquin|1861|page=67}}
• Christopher (died 1664), a lieutenant-colonel in the Irish Confederate Army, who was created "Baron of Inchiquin," by the Supreme Council of the Catholic Confederation.{{sfn|O'Hart|2007|p=129}} He never married.{{sfn|Inchiquin|1861|page=67}}
• Murtough O'Brien, who led a guerrilla campaign against Cromwell's generals in the Burren. He later obtained a pardon and emigrated to Spain where he became a general in the Spanish army
• Honora,{{harvnb|Lundy|2012|p=10284 § 102833}} cites {{harvnb|Mosley|2003, vol. 1|p=400}} who married Anthony Stoughton of Rattoo, County Kerry.{{sfn|O'Hart|2007|p=129}}
• Mary, married Michael Boyle, Archbishop of Armagh, and Lord Chancellor of Ireland, and had with him numerous children, including Murrough Boyle, 1st Viscount Blesington, and Eleanor (who became the wife of the William Hill of Hillsborough, M.P.,{{sfn|Anglo-American Magazine|1852|p=506}} and mother to Michael Hill (1672–1699) M.P.).
• Ann, died unmarried{{sfn|O'Hart|2007|p=129}}

{{ahnentafel

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| 1= 1. Dermod O'Brien, 5th Baron Inchiquin

| 2= 2. Murrough O'Brien, 4th Baron Inchiquin

| 3= 3. Mabel Nugent

| 4= 4. Murrough O'Brien, 3rd Baron Inchiquin

| 5= 5. Margaret Cusack

| 6= 6. Christopher Nugent, 6th Baron Delvin

| 7= 7. Mary FitzGerald

| 8= 8. Dermod O'Brien, 2nd Baron Inchiquin

| 9= 9. Margaret O'Brien

| 10= 10. Sir Thomas Cusack

| 11= 11. Maud Darcy

| 12= 12. Richard Nugent, 5th Baron Delvin

| 13= 13. Elizabeth Preston

| 14= 14. Gerald FitzGerald, 11th Earl of Kildare

| 15= 15. Mabel Browne

| 16= 16. Murrough O'Brien, 1st Earl of Thomond

| 17= 17. Eleanor FitzGerald

| 18= 18. Donough O'Brien, 2nd Earl of Thomond

| 19= 19. Helen Butler

| 20= 20. John Cusack

| 21= 21. Alison de Wellesley

| 22= 22. George Darcy

| 23= 23. Jane Riccard

| 24= 24. Christopher Nugent

| 25= 25. Marion St Lawrence

| 26= 26. Jenico Preston

| 27= 27. Catherine FitzGerald

| 28= 28. Gerald FitzGerald, 9th Earl of Kildare

| 29= 29. Elizabeth Grey

| 30= 30. Anthony Browne

| 31= 31. Alice Gage

}}

• Early Barons Inchiquin
• Baron Inchiquin
• [http://www.libraryireland.com/Pedigrees1/OBrien2.php O'Brien Pedigree]

{{notelist}}

{{Reflist|30em}}

• {{citation|date=July–December 1852 |title=The Anglo-American Magazine |volume=1 |location=Toronto |publisher=Maclear |page=[https://books.google.com/books?id=YCAiAQAAIAAJ&pg=PA506 506] |author= |ref={{sfnref|Anglo-American Magazine|1852}}}}
• {{Cite DNB|last=Bagwell |first=Richard|wstitle=O'Brien, Murrough (1614-1674)|volume=16 |pages=320–327 |mode=cs2}}
• {{citation |last=Inchiquin |first=Lucius Lord of |author-link=Lucius O'Brien, 13th Baron Inchiquin

|year=1861 |orig-year=1765 |title=Case of the Right Honourable Lucius, lord Inchiquin in the peerage of Ireland on his claiming the right to vote at the election of representative peers for Ireland. ...|chapter=The Petition of the right Honourable Lucius Baron of Inchiquin (otherwise Inskwyne), of that part of the United Kingdom of Great Britain and Ireland called Ireland. |pages=66–70 |chapter-url=https://books.google.com/books?id=o9ANAAAAQAAJ&pg=PA66}}

• {{Citation |last=Lundy |first=Darryl |date=22 October 2012 |url=http://www.thepeerage.com/p10284.htm#i102833 |title=Dermot O'Brien, 5th Baron of Inchiquin |page=10284 § 102833 |publisher=thepeerage.com |access-date=}} Endnotes:
• {{Citation |first=G.E. |last=Cokayne |year=2000 |editor1=Vicary Gibbs |editor2=H.A. Doubleday |editor3=Geoffrey H. White |editor4=Duncan Warrand |editor5=Howard de Walden |title=The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant |edition=nee, 1910–1959; reprint in 6 volumes|location=Gloucester, UK|publisher=Alan Sutton Publishing |volume=1 |pages=193}}
• {{citation|editor-first=Charles |editor-last=Mosley |title=Burke's Peerage, Baronetage & Knightage |edition=107th, 3 volumes |location=Wilmington, Delaware, USA |publisher=Burke's Peerage |year=2003 |volume=1 |page=400|ref={{sfnRef|Mosley|2003, vol. 1}} }}
• {{citation|editor-first=Charles |editor-last=Mosley |title=Burke's Peerage, Baronetage & Knightage |edition=107th, 3 volumes |location=Wilmington, Delaware, USA |publisher=Burke's Peerage |year=2003 |volume=2|page=2035|ref={{sfnRef|Mosley|2003, vol. 2}} }}
• {{Citation |last=O'Hart |first=John |year=2007

|title=The Irish And Anglo-Irish Landed Gentry, When Cromwell Came to Ireland: Or, a Supplement to Irish Pedigrees |edition=reprint |publisher=Heritage Books |isbn=9780788419270 |page=[https://books.google.com/books?id=iYOfTy3YJk0C&pg=PA129 129]}}

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{{Ó Briain}}

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Category:1594 births

Category:1624 deaths

Category:17th-century Irish people

Category:People from County Clare

Dermod

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