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Mary O'Brien

Peerage person ID=19325
Person human Q75260849
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Summary

Mary O'Brien was born on 1620[1].

Key Facts

  • Father: Dermod O'Brien, 5th Baron Inchiquin[2]
  • Mother: Ellen FitzGerald[3]
  • Spouse: Michael Boyle[4]
  • Child: Eleanor Boyle[5], Honora Boyle[6], Murrough Boyle, 1st Viscount Blesington[7], Elizabeth Boyle[8], Mary Boyle[9], Q141645195[10]
  • Sex or gender: female[11]
  • Honorific prefix: The Honourable[12]
  • Family name: O'Brien[13]
  • Given name: Mary[14]

FAQs

Who were Mary O'Brien's parents?

Mary O'Brien's father was Dermod O'Brien, 5th Baron Inchiquin[2]. Mary O'Brien's mother was Ellen FitzGerald[3].

Who was Mary O'Brien married to?

Mary O'Brien's spouses include Michael Boyle[4].

References

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

Direct Wikidata claims

  1. [11] ↑ . The Peerage. wikidata.org.
  2. [2] ↑ . The Peerage. wikidata.org.
  3. [3] ↑ . The Peerage. wikidata.org.
  4. [4] ↑ . Retrieved . wikidata.org.
  5. [5] ↑ . The Peerage. wikidata.org.
  6. [6] ↑ . The Peerage. wikidata.org.
  7. [7] ↑ . The Peerage. wikidata.org.
  8. [8] ↑ . Genealogics. wikidata.org.
  9. [9] ↑ . wikidata.org.
  10. [10] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [1] ↑ . WikiTree. wikidata.org.
  13. [13] ↑ . wikidata.org.
  14. [14] ↑ . 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). Mary O'Brien. Retrieved October 5, 2026, from https://4ort.xyz/entity/mary-o-brien-q75260849
MLA “Mary O'Brien.” 4ort.xyz Knowledge Graph, 4ort.xyz, 5 Oct. 2026, https://4ort.xyz/entity/mary-o-brien-q75260849.
BibTeX @misc{4ortxyz_mary-o-brien-q75260849_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Mary O'Brien}}, year = {2026}, url = {https://4ort.xyz/entity/mary-o-brien-q75260849}, note = {Accessed: 2026-10-05}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Mary O'Brien — https://4ort.xyz/entity/mary-o-brien-q75260849 (retrieved 2026-10-05)

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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. 9d ago · Melderick · 2026-10-05 view diff on Wikidata ↗
    Child → Eleanor Boyle, Honora Boyle, Murrough Boyle, 1st Viscount Blesington +3
    Claims rich → —
    "/* wbsetclaim-create:2||1 */ Child: Q141645195"
  2. 10d ago · Melderick · 2026-10-05 view diff on Wikidata ↗
    Wikidata description → Peerage person ID=19325
    Given name → Mary
    Date of birth → +1620-00-00T00:00:00Z
    Spouse → Michael Boyle
    + 13 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ Child: Mary Boyle"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.