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Joan O'Brien

Peerage person ID=386982
Person human Q75894539
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Joan O'Brien

Summary

Joan O'Brien is a human[1]. She was born on +1635-00-00T00:00:00Z[2].

Key Facts

  • Joan O'Brien was born on +1635-00-00T00:00:00Z[2].
  • Joan O'Brien's father was Donough O'Brien[3].
  • Joan O'Brien was married to Gerald Fitzgerald, 17th Knight of Glin[4].
  • A child of Joan O'Brien was Thomas Fitzgerald, 18th Knight of Glin[5].
  • A child of Joan O'Brien was John Fitzgerald[6].
  • A child of Joan O'Brien was Mary Fitzgerald[7].
  • A child of Joan O'Brien was Honora Fitzgerald[8].
  • A child of Joan O'Brien was Helen Fitzgerald[9].
  • A child of Joan O'Brien was Jane Fitzgerald[10].
  • Joan O'Brien is recorded as female[11].
  • Joan O'Brien's instance of is recorded as human[12].
  • Joan O'Brien's family name is recorded as O'Brien[13].
  • Joan O'Brien's given name is recorded as Joan[14].
  • Joan O'Brien's genealogics.org person ID is recorded as I00593306[15].
  • Joan O'Brien's WikiTree person ID is recorded as O_Brien-1282[16].
  • Joan O'Brien's The Peerage person ID is recorded as p38699.htm#i386982[17].

Body

Origins and Family

Joan O'Brien was born on +1635-00-00T00:00:00Z[2]. Her father was Donough O'Brien[3].

Personal Life

Among Joan O'Brien's spouses was Gerald Fitzgerald, 17th Knight of Glin[4]. Children include Thomas Fitzgerald, 18th Knight of Glin[5], 1650–1730[18]; John Fitzgerald[6]; Mary Fitzgerald[7]; Honora Fitzgerald[8]; Helen Fitzgerald[9]; and Jane Fitzgerald[10].

FAQs

Who were Joan O'Brien's parents?

Joan O'Brien's father was Donough O'Brien[3].

Who was Joan O'Brien married to?

Joan O'Brien's spouses include Gerald Fitzgerald, 17th Knight of Glin[4].

References

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

Direct Wikidata claims

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

Inline context (facts about related entities)

  1. [18] ↑ . 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). Joan O'Brien. Retrieved May 3, 2026, from https://4ort.xyz/entity/joan-o-brien-q75894539
MLA “Joan O'Brien.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/joan-o-brien-q75894539.
BibTeX @misc{4ortxyz_joan-o-brien-q75894539_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Joan O'Brien}}, year = {2026}, url = {https://4ort.xyz/entity/joan-o-brien-q75894539}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Joan O'Brien — https://4ort.xyz/entity/joan-o-brien-q75894539 (retrieved 2026-05-03)

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