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Margaret O'Brien

d.1636
Person human Q75363801
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Summary

Margaret O'Brien was born on 1565[1]. She died on February 20, 1636[2].

Key Facts

  • Father: Connor O'Brien, 3rd Earl of Thomond[3]
  • Mother: Una O'Brien[4]
  • Spouse: James Butler, 2nd/12th Baron Dunboyne[5]
  • Child: James Butler[6], Edward Butler[7], Theobald Butler[8], Elinor Butler[9]
  • Sex or gender: female[10]
  • Family name: O'Brien[11]
  • Given name: Margaret[12]
  • Sibling: Daniel O'Brien, 1st Viscount Clare[13], Donogh O'Brien, 4th Earl of Thomond[14], Lady Honor O'Brien[15], Teige O'Brien[16], Mary O'Brien[17], Honora O'Brien[18]

FAQs

Who were Margaret O'Brien's parents?

Margaret O'Brien's father was Connor O'Brien, 3rd Earl of Thomond[3]. Margaret O'Brien's mother was Una O'Brien[4].

Who was Margaret O'Brien married to?

Margaret O'Brien's spouses include James Butler, 2nd/12th Baron Dunboyne[5].

References

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

Direct Wikidata claims

  1. [10] ↑ . The Peerage. wikidata.org.
  2. [3] ↑ . The Peerage. wikidata.org.
  3. [4] ↑ . The Peerage. wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . The Peerage. wikidata.org.
  6. [7] ↑ . The Peerage. wikidata.org.
  7. [8] ↑ . The Peerage. wikidata.org.
  8. [9] ↑ . Genealogics. wikidata.org.
  9. [1] ↑ . WikiTree. wikidata.org.
  10. [2] ↑ . The Peerage. wikidata.org.
  11. [11] ↑ . wikidata.org.
  12. [12] ↑ . wikidata.org.
  13. [13] ↑ . wikidata.org.
  14. [14] ↑ . wikidata.org.
  15. [15] ↑ . wikidata.org.
  16. [16] ↑ . wikidata.org.
  17. [17] ↑ . wikidata.org.
  18. [18] ↑ . wikidata.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). Margaret O'Brien. Retrieved October 14, 2026, from https://4ort.xyz/entity/margaret-o-brien-q75363801
MLA “Margaret O'Brien.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/margaret-o-brien-q75363801.
BibTeX @misc{4ortxyz_margaret-o-brien-q75363801_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Margaret O'Brien}}, year = {2026}, url = {https://4ort.xyz/entity/margaret-o-brien-q75363801}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Margaret O'Brien — https://4ort.xyz/entity/margaret-o-brien-q75363801 (retrieved 2026-10-14)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 5d ago · Gamaliel · 2026-10-14 view diff on Wikidata ↗
    Date of birth → +1565-00-00T00:00:00Z
    Imported from → —
    The peerage person id → p8945.htm#i89448
    Family name → O'Brien
    + 15 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-statements-single-property-add:1||6 */ Sibling, Adding statement(s) using [[:toollabs:wikidata-todo/relator2|Relator2]]"
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