Lady Margaret O'Brien

Peerage person ID=216912
Person human Q75567328
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Lady Margaret O'Brien

Summary

Lady Margaret O'Brien is a human[1]. She was born on +1530-00-00T00:00:00Z[2]. She died on +1568-00-00T00:00:00Z[3].

Key Facts

  • Lady Margaret O'Brien was born on +1530-00-00T00:00:00Z[2].
  • Lady Margaret O'Brien died on +1568-00-00T00:00:00Z[3].
  • Lady Margaret O'Brien's father was Donough O'Brien, 2nd Earl of Thomond[4].
  • Lady Margaret O'Brien's mother was Lady Ellen Butler[5].
  • Lady Margaret O'Brien was married to Dermod O'Brien, 2nd Baron Inchiquin[6].
  • Lady Margaret O'Brien was married to Richard Burke, 2nd Earl of Clanricarde[7].
  • A child of Lady Margaret O'Brien was John na Seamar Burke, 1st Baron Leitrim[8].
  • A child of Lady Margaret O'Brien was unknown son Bourke[9].
  • A child of Lady Margaret O'Brien was unknown son Bourke[10].
  • A child of Lady Margaret O'Brien was unknown daughter Bourke[11].
  • A child of Lady Margaret O'Brien was Murrough McDermot O'Brien, 3rd Baron Inchiquin[12].
  • Lady Margaret O'Brien is recorded as female[13].
  • Lady Margaret O'Brien's instance of is recorded as human[14].
  • Lady Margaret O'Brien's family name is recorded as O'Brien[15].
  • Lady Margaret O'Brien's given name is recorded as Margaret[16].
  • Lady Margaret O'Brien's genealogics.org person ID is recorded as I00117035[17].
  • Lady Margaret O'Brien's different from is recorded as Margaret O'Brien[18].
  • Lady Margaret O'Brien's WikiTree person ID is recorded as O'Brien-3967[19].
  • Lady Margaret O'Brien's The Peerage person ID is recorded as p21692.htm#i216912[20].
  • Lady Margaret O'Brien's Roglo person ID is recorded as p=catherine;n=o+brien;oc=10[21].

Body

Origins and Family

Lady Margaret O'Brien was born on +1530-00-00T00:00:00Z[2]. Her father was Donough O'Brien, 2nd Earl of Thomond[4]. Her mother was Lady Ellen Butler[5].

Personal Life

Spouses include Dermod O'Brien, 2nd Baron Inchiquin[6], 1550–1557[22], of Kingdom of Ireland[23] and Richard Burke, 2nd Earl of Clanricarde[7], of Kingdom of Ireland[24]. Children include John na Seamar Burke, 1st Baron Leitrim[8], of Lordship of Ireland[25]; unknown son Bourke[9]; unknown daughter Bourke[11]; and Murrough McDermot O'Brien, 3rd Baron Inchiquin[12], 1550–1573[26], of Kingdom of Ireland[27].

Death and Burial

Lady Margaret O'Brien died on +1568-00-00T00:00:00Z[3].

FAQs

Who were Lady Margaret O'Brien's parents?

Lady Margaret O'Brien's father was Donough O'Brien, 2nd Earl of Thomond[4]. Lady Margaret O'Brien's mother was Lady Ellen Butler[5].

Who was Lady Margaret O'Brien married to?

Lady Margaret O'Brien's spouses include Dermod O'Brien, 2nd Baron Inchiquin[6] and Richard Burke, 2nd Earl of Clanricarde[7].

References

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

Direct Wikidata claims

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

Inline context (facts about related entities)

  1. [22] . Wikidata. wikidata.org. → on this site
  2. [23] . Wikidata. wikidata.org. → on this site
  3. [24] . Wikidata. wikidata.org. → on this site
  4. [25] . Wikidata. wikidata.org. → on this site
  5. [26] . Wikidata. wikidata.org. → on this site
  6. [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). Lady Margaret O'Brien. Retrieved May 3, 2026, from https://4ort.xyz/entity/lady-margaret-o-brien
MLA “Lady Margaret O'Brien.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/lady-margaret-o-brien.
BibTeX @misc{4ortxyz_lady-margaret-o-brien_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Lady Margaret O'Brien}}, year = {2026}, url = {https://4ort.xyz/entity/lady-margaret-o-brien}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Lady Margaret O'Brien — https://4ort.xyz/entity/lady-margaret-o-brien (retrieved 2026-05-03)

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