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Murrough O'Brien, 1st Marquess of Thomond

Irish Marquess
Person human Q6939614
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Murrough O'Brien, 1st Marquess of Thomond

Summary

Murrough O'Brien, 1st Marquess of Thomond is a human[1]. He was born on +1726-01-01T00:00:00Z[2]. He died on +1808-02-10T00:00:00Z[3]. He worked as a politician[4]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (4 views/month, #7,300 of 1,000,298).[5]

Key Facts

  • Murrough O'Brien, 1st Marquess of Thomond was born on +1726-01-01T00:00:00Z[2].
  • Murrough O'Brien, 1st Marquess of Thomond died on +1808-02-10T00:00:00Z[3].
  • Murrough O'Brien, 1st Marquess of Thomond's father was James O'Brien[6].
  • Murrough O'Brien, 1st Marquess of Thomond's mother was Mary Jephson[7].
  • Among Murrough O'Brien, 1st Marquess of Thomond's spouses was Mary O'Brien, 3rd Countess of Orkney[8].
  • Murrough O'Brien, 1st Marquess of Thomond was married to Mary Palmer, Countess of Inchiquin[9].
  • A child of Murrough O'Brien, 1st Marquess of Thomond was Mary FitzMaurice, 4th Countess of Orkney[10].
  • Murrough O'Brien, 1st Marquess of Thomond worked as a politician[4].
  • Murrough O'Brien, 1st Marquess of Thomond held the position of Member of Parliament in the Parliament of Ireland[11].
  • Murrough O'Brien, 1st Marquess of Thomond held the position of Member of the Privy Council of Ireland[12].
  • Murrough O'Brien, 1st Marquess of Thomond held the position of member of the House of Lords[13].
  • Murrough O'Brien, 1st Marquess of Thomond held the position of member of the 16th Parliament of Great Britain[14].
  • Murrough O'Brien, 1st Marquess of Thomond held the position of member of the 17th Parliament of Great Britain[15].
  • Murrough O'Brien, 1st Marquess of Thomond held the position of member of the 18th Parliament of Great Britain[16].
  • Murrough O'Brien, 1st Marquess of Thomond's image is recorded as Murrough O'Brien, 1st Marquess of Thomond KP, PC (1726-1808), 5th Earl of Inchiquin (1777-1800), by Henry Bone.jpg[17].
  • Murrough O'Brien, 1st Marquess of Thomond is recorded as male[18].
  • Murrough O'Brien, 1st Marquess of Thomond's instance of is recorded as human[19].
  • Murrough O'Brien, 1st Marquess of Thomond's noble title is recorded as Marquess of Thomond[20].
  • Murrough O'Brien, 1st Marquess of Thomond's noble title is recorded as Baron Thomond[21].
  • Murrough O'Brien, 1st Marquess of Thomond's ISNI is recorded as 000000004888271X[22].
  • Murrough O'Brien, 1st Marquess of Thomond's VIAF cluster ID is recorded as 36777085[23].
  • Murrough O'Brien, 1st Marquess of Thomond's military branch is recorded as British Army[24].
  • Murrough O'Brien, 1st Marquess of Thomond's Library of Congress authority ID is recorded as nr91045208[25].
  • The cause of death was horse fall[26].
  • Murrough O'Brien, 1st Marquess of Thomond's participated in conflict is recorded as War of the Austrian Succession[27].

Body

Origins and Family

Murrough O'Brien, 1st Marquess of Thomond was born on +1726-01-01T00:00:00Z[2]. His father was James O'Brien[6]. His mother was Mary Jephson[7].

Career and Affiliations

Murrough O'Brien, 1st Marquess of Thomond worked as a politician[4]. Positions held include Member of Parliament in the Parliament of Ireland[11]; Member of the Privy Council of Ireland[12]; member of the House of Lords[13], a position[28], in United Kingdom[29], founded in 1801[30]; member of the 16th Parliament of Great Britain[14]; member of the 17th Parliament of Great Britain[15]; and member of the 18th Parliament of Great Britain[16].

Personal Life

Spouses include Mary O'Brien, 3rd Countess of Orkney[8], a politician[31], 1721–1791[32] and Mary Palmer, Countess of Inchiquin[9], a housekeeper[33], 1750–1820[34]. A child of Murrough O'Brien, 1st Marquess of Thomond was Mary FitzMaurice, 4th Countess of Orkney[10].

Death and Burial

Murrough O'Brien, 1st Marquess of Thomond died on +1808-02-10T00:00:00Z[3]. The cause of death was horse fall[26].

Why It Matters

Murrough O'Brien, 1st Marquess of Thomond ranks in the top 0.73% of human entities by monthly Wikipedia readership (4 views/month, #7,300 of 1,000,298).[5]

FAQs

Who were Murrough O'Brien, 1st Marquess of Thomond's parents?

Murrough O'Brien, 1st Marquess of Thomond's father was James O'Brien[6]. Murrough O'Brien, 1st Marquess of Thomond's mother was Mary Jephson[7].

Who was Murrough O'Brien, 1st Marquess of Thomond married to?

Murrough O'Brien, 1st Marquess of Thomond's spouses include Mary O'Brien, 3rd Countess of Orkney[8] and Mary Palmer, Countess of Inchiquin[9].

What did Murrough O'Brien, 1st Marquess of Thomond do for work?

Murrough O'Brien, 1st Marquess of Thomond worked as politician[4].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [17] ↑ . wikidata.org.
  2. [18] ↑ . wikidata.org.
  3. [6] ↑ . wikidata.org.
  4. [7] ↑ . The Peerage. wikidata.org.
  5. [8] ↑ . Retrieved . wikidata.org.
  6. [9] ↑ . Retrieved . wikidata.org.
  7. [19] ↑ . wikidata.org.
  8. [11] ↑ . wikidata.org.
  9. [12] ↑ . wikidata.org.
  10. [13] ↑ . wikidata.org.
  11. [14] ↑ . wikidata.org.
  12. [15] ↑ . wikidata.org.
  13. [16] ↑ . wikidata.org.
  14. [10] ↑ . wikidata.org.
  15. [20] ↑ . wikidata.org.
  16. [21] ↑ . wikidata.org.
  17. [4] ↑ . Hansard 1803–2005. Retrieved . wikidata.org.
  18. [22] ↑ . wikidata.org.
  19. [23] ↑ . Faceted Application of Subject Terminology. Retrieved . wikidata.org.
  20. [24] ↑ . wikidata.org.
  21. [25] ↑ . Faceted Application of Subject Terminology. Retrieved . wikidata.org.
  22. [26] ↑ . wikidata.org.
  23. [2] ↑ . Early Modern Letters Online. Retrieved . wikidata.org.
  24. [3] ↑ . The Peerage. Retrieved . wikidata.org.
  25. [27] ↑ . wikidata.org.

Inline context (facts about related entities)

  1. [31] ↑ . Wikidata. wikidata.org. → on this site
  2. [32] ↑ . Wikidata. wikidata.org. → on this site
  3. [33] ↑ . Wikidata. wikidata.org. → on this site
  4. [34] ↑ . Wikidata. wikidata.org. → on this site
  5. [28] ↑ . Wikidata. wikidata.org. → on this site
  6. [29] ↑ . Wikidata. wikidata.org. → on this site
  7. [30] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [5] ↑ . Wikimedia Foundation. dumps.wikimedia.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Murrough O'Brien, 1st Marquess of Thomond. Retrieved May 3, 2026, from https://4ort.xyz/entity/murrough-o-brien-1st-marquess-of-thomond
MLA “Murrough O'Brien, 1st Marquess of Thomond.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/murrough-o-brien-1st-marquess-of-thomond.
BibTeX @misc{4ortxyz_murrough-o-brien-1st-marquess-of-thomond_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Murrough O'Brien, 1st Marquess of Thomond}}, year = {2026}, url = {https://4ort.xyz/entity/murrough-o-brien-1st-marquess-of-thomond}, note = {Accessed: 2026-05-03}}
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