Home › Entities › human › Lady Margaret O'Brien

Lady Margaret O'Brien

Peerage person ID=24655
Person human Q75267972
Press Enter · cited answer in seconds

Lady Margaret O'Brien

Summary

Lady Margaret O'Brien is a human[1]. She was born on +1606-01-01T00:00:00Z[2]. She died on +1681-07-26T00:00:00Z[3].

Key Facts

  • Lady Margaret O'Brien was born on +1606-01-01T00:00:00Z[2].
  • Lady Margaret O'Brien died on +1681-07-26T00:00:00Z[3].
  • Lady Margaret O'Brien's father was Henry O'Brien, 5th Earl of Thomond[4].
  • Lady Margaret O'Brien's mother was Mary Brereton[5].
  • Lady Margaret O'Brien was married to Edward Somerset, 2nd Marquess of Worcester[6].
  • Lady Margaret O'Brien was married to Donogh Kearney[7].
  • A child of Lady Margaret O'Brien was Mary Somerset[8].
  • Lady Margaret O'Brien is recorded as female[9].
  • Lady Margaret O'Brien's instance of is recorded as human[10].
  • Lady Margaret O'Brien's family name is recorded as O'Brien[11].
  • Lady Margaret O'Brien's given name is recorded as Margaret[12].
  • Lady Margaret O'Brien's genealogics.org person ID is recorded as I00053957[13].
  • Lady Margaret O'Brien's WikiTree person ID is recorded as O'Brien-10905[14].
  • Lady Margaret O'Brien's Kindred Britain ID is recorded as I28263[15].
  • Lady Margaret O'Brien's WeRelate person ID is recorded as Margaret_O'Brien_(12)[16].
  • Lady Margaret O'Brien's The Peerage person ID is recorded as p2466.htm#i24655[17].
  • Lady Margaret O'Brien's Roglo person ID is recorded as p=margaret;n=o+brien;oc=17[18].

Body

Origins and Family

Lady Margaret O'Brien was born on +1606-01-01T00:00:00Z[2]. Her father was Henry O'Brien, 5th Earl of Thomond[4]. Her mother was Mary Brereton[5].

Personal Life

Spouses include Edward Somerset, 2nd Marquess of Worcester[6], a writer[19], 1622–1667[20], of Kingdom of England[21] and Donogh Kearney[7]. A child of Lady Margaret O'Brien was Mary Somerset[8].

Death and Burial

Lady Margaret O'Brien died on +1681-07-26T00:00:00Z[3].

FAQs

Who were Lady Margaret O'Brien's parents?

Lady Margaret O'Brien's father was Henry O'Brien, 5th Earl of Thomond[4]. Lady Margaret O'Brien's mother was Mary Brereton[5].

Who was Lady Margaret O'Brien married to?

Lady Margaret O'Brien's spouses include Edward Somerset, 2nd Marquess of Worcester[6] and Donogh Kearney[7].

References

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

Direct Wikidata claims

  1. [9] ↑ . The Peerage. wikidata.org.
  2. [4] ↑ . The Peerage. wikidata.org.
  3. [5] ↑ . The Peerage. wikidata.org.
  4. [6] ↑ . Q75653886. Retrieved . wikidata.org.
  5. [7] ↑ . Retrieved . wikidata.org.
  6. [10] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [2] ↑ . kindred.stanford.edu. kindred.stanford.edu. Provenance: wikidata.org.
  9. [3] ↑ . kindred.stanford.edu. kindred.stanford.edu. Provenance: wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . Retrieved . wikidata.org.
  17. [18] ↑ . wikidata.org.

Inline context (facts about related entities)

  1. [19] ↑ . Wikidata. wikidata.org. → on this site
  2. [20] ↑ . Wikidata. wikidata.org. → on this site
  3. [21] ↑ . 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-q75267972
MLA “Lady Margaret O'Brien.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/lady-margaret-o-brien-q75267972.
BibTeX @misc{4ortxyz_lady-margaret-o-brien-q75267972_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Lady Margaret O'Brien}}, year = {2026}, url = {https://4ort.xyz/entity/lady-margaret-o-brien-q75267972}, 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-q75267972 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/lady-margaret-o-brien-q75267972 · Last refreshed: