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James O'Brien

Irish politician
Person human Q16859447
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James O'Brien

Summary

James O'Brien is a human[1]. He was born on +1695-01-01T00:00:00Z[2]. He died on +1771-12-18T00:00:00Z[3]. He worked as a politician[4].

Key Facts

  • James O'Brien was born on +1695-01-01T00:00:00Z[2].
  • James O'Brien died on +1771-12-18T00:00:00Z[3].
  • James O'Brien's father was William O'Brien, 3rd Earl of Inchiquin[5].
  • James O'Brien's mother was Mary Villiers[6].
  • James O'Brien was married to Mary Jephson[7].
  • A child of James O'Brien was Murrough O'Brien, 1st Marquess of Thomond[8].
  • A child of James O'Brien was Edward Dominic O'Brien[9].
  • A child of James O'Brien was Anne O'Brien[10].
  • A child of James O'Brien was Henrietta O'Brien[11].
  • James O'Brien's professions included politician[4].
  • James O'Brien held the position of Member of Parliament in the Parliament of Ireland[12].
  • James O'Brien's education included a stint at Kilkenny College[13].
  • James O'Brien is recorded as male[14].
  • James O'Brien's instance of is recorded as human[15].
  • James O'Brien's Freebase ID is recorded as /m/0gvvbb2[16].
  • James O'Brien's family name is recorded as O'Brien[17].
  • James O'Brien's given name is recorded as James[18].
  • James O'Brien's genealogics.org person ID is recorded as I00222530[19].
  • James O'Brien's WikiTree person ID is recorded as O'Brien-2632[20].
  • James O'Brien's WeRelate person ID is recorded as James_O'Brien_(41)[21].
  • James O'Brien's The Peerage person ID is recorded as p3834.htm#i38339[22].
  • James O'Brien's Roglo person ID is recorded as p=james;n=o brien[23].

Body

Origins and Family

James O'Brien was born on +1695-01-01T00:00:00Z[2]. His father was William O'Brien, 3rd Earl of Inchiquin[5]. His mother was Mary Villiers[6].

Education

James O'Brien was educated at Kilkenny College[13].

Career and Affiliations

James O'Brien's professions included politician[4]. He held the position of Member of Parliament in the Parliament of Ireland[12].

Personal Life

Among James O'Brien's spouses was Mary Jephson[7]. Children include Murrough O'Brien, 1st Marquess of Thomond[8], a politician[24], 1726–1808[25]; Edward Dominic O'Brien[9], 1735–1801[26]; Anne O'Brien[10], 1728–1745[27]; and Henrietta O'Brien[11].

Death and Burial

James O'Brien died on +1771-12-18T00:00:00Z[3].

FAQs

Who were James O'Brien's parents?

James O'Brien's father was William O'Brien, 3rd Earl of Inchiquin[5]. James O'Brien's mother was Mary Villiers[6].

Who was James O'Brien married to?

James O'Brien's spouses include Mary Jephson[7].

What did James O'Brien do for work?

James O'Brien worked as politician[4].

Where did James O'Brien go to school?

James O'Brien was educated at Kilkenny College[13].

References

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

Direct Wikidata claims

  1. [14] ↑ . wikidata.org.
  2. [5] ↑ . wikidata.org.
  3. [6] ↑ . The Peerage. wikidata.org.
  4. [7] ↑ . Retrieved . wikidata.org.
  5. [15] ↑ . wikidata.org.
  6. [12] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . The Peerage. wikidata.org.
  9. [10] ↑ . The Peerage. wikidata.org.
  10. [11] ↑ . The Peerage. wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [4] ↑ . wikidata.org.
  13. [2] ↑ . wikidata.org.
  14. [3] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . Retrieved . wikidata.org.
  22. [23] ↑ . wikidata.org.

Inline context (facts about related entities)

  1. [24] ↑ . Wikidata. wikidata.org. → on this site
  2. [25] ↑ . Wikidata. wikidata.org. → on this site
  3. [26] ↑ . Wikidata. wikidata.org. → on this site
  4. [27] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

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). James O'Brien. Retrieved May 3, 2026, from https://4ort.xyz/entity/james-o-brien-q16859447
MLA “James O'Brien.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/james-o-brien-q16859447.
BibTeX @misc{4ortxyz_james-o-brien-q16859447_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{James O'Brien}}, year = {2026}, url = {https://4ort.xyz/entity/james-o-brien-q16859447}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): James O'Brien — https://4ort.xyz/entity/james-o-brien-q16859447 (retrieved 2026-05-03)

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