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Peter O'Brien, 1st Baron O'Brien

Irish judge (1842–1914)
Person human Q7176155
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Summary

Peter O'Brien, 1st Baron O'Brien is a human[1]. He was born on June 29, 1842[2]. He died on September 7, 1914[3]. He worked as a judge[4], politician[5], and barrister[6]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (39 views/month, #7,300 of 1,000,298).[7]

Key Facts

  • Peter O'Brien, 1st Baron O'Brien was born on June 29, 1842[2].
  • Peter O'Brien, 1st Baron O'Brien died on September 7, 1914[3].
  • Peter O'Brien, 1st Baron O'Brien's father was John O'Brien[8].
  • Peter O'Brien, 1st Baron O'Brien's mother was Ellen Murphy[9].
  • Peter O'Brien, 1st Baron O'Brien was married to Annie Clarke[10].
  • A child of Peter O'Brien, 1st Baron O'Brien was James O'Brien[11].
  • A child of Peter O'Brien, 1st Baron O'Brien was Annie Georgina O'Brien[12].
  • A child of Peter O'Brien, 1st Baron O'Brien was Ellen Mary O'Brien[13].
  • Peter O'Brien, 1st Baron O'Brien's professions included judge[4].
  • Peter O'Brien, 1st Baron O'Brien worked as a politician[5].
  • Peter O'Brien, 1st Baron O'Brien worked as a barrister[6].
  • Peter O'Brien, 1st Baron O'Brien held the position of Member of the Privy Council of Ireland[14].
  • Peter O'Brien, 1st Baron O'Brien held the position of member of the House of Lords[15].
  • Peter O'Brien, 1st Baron O'Brien's education included a stint at Trinity College, Dublin[16].
  • Peter O'Brien, 1st Baron O'Brien is recorded as male[17].
  • Peter O'Brien, 1st Baron O'Brien's instance of is recorded as human[18].
  • Peter O'Brien, 1st Baron O'Brien's noble title is recorded as baronet[19].
  • Peter O'Brien, 1st Baron O'Brien's noble title is recorded as Baron O'Brien[20].
  • Peter O'Brien, 1st Baron O'Brien's family name is recorded as O'Brien[21].
  • Peter O'Brien, 1st Baron O'Brien's given name is recorded as Peter[22].
  • Peter O'Brien, 1st Baron O'Brien's described by source is recorded as Dictionary of National Biography, third supplement[23].
  • Peter O'Brien, 1st Baron O'Brien's described by source is recorded as 1922 Encyclopædia Britannica[24].

Body

Origins and Family

Peter O'Brien, 1st Baron O'Brien was born on June 29, 1842[2]. His father was John O'Brien[8]. His mother was Ellen Murphy[9].

Education

Peter O'Brien, 1st Baron O'Brien's education included a stint at Trinity College, Dublin[16].

Career and Affiliations

Recorded occupations include judge[4], politician[5], and barrister[6]. Positions held include Member of the Privy Council of Ireland[14] and member of the House of Lords[15], a position[25], in United Kingdom[26], founded in 1801[27].

Personal Life

Peter O'Brien, 1st Baron O'Brien was married to Annie Clarke[10]. Children include James O'Brien[11], Annie Georgina O'Brien[12], and Ellen Mary O'Brien[13].

Death and Burial

Peter O'Brien, 1st Baron O'Brien died on September 7, 1914[3].

Why It Matters

Peter O'Brien, 1st Baron O'Brien ranks in the top 0.73% of human entities by monthly Wikipedia readership (39 views/month, #7,300 of 1,000,298).[7]

FAQs

Who were Peter O'Brien, 1st Baron O'Brien's parents?

Peter O'Brien, 1st Baron O'Brien's father was John O'Brien[8]. Peter O'Brien, 1st Baron O'Brien's mother was Ellen Murphy[9].

Who was Peter O'Brien, 1st Baron O'Brien married to?

Peter O'Brien, 1st Baron O'Brien's spouses include Annie Clarke[10].

What did Peter O'Brien, 1st Baron O'Brien do for work?

Peter O'Brien, 1st Baron O'Brien worked as judge[4], politician[5], and barrister[6].

Where did Peter O'Brien, 1st Baron O'Brien go to school?

Peter O'Brien, 1st Baron O'Brien was educated at Trinity College, Dublin[16].

References

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

Direct Wikidata claims

  1. [17] ↑ . wikidata.org.
  2. [8] ↑ . The Peerage. wikidata.org.
  3. [9] ↑ . The Peerage. wikidata.org.
  4. [10] ↑ . Retrieved . wikidata.org.
  5. [18] ↑ . wikidata.org.
  6. [14] ↑ . wikidata.org.
  7. [15] ↑ . wikidata.org.
  8. [11] ↑ . The Peerage. wikidata.org.
  9. [12] ↑ . The Peerage. wikidata.org.
  10. [13] ↑ . The Peerage. wikidata.org.
  11. [16] ↑ . wikidata.org.
  12. [19] ↑ . wikidata.org.
  13. [20] ↑ . wikidata.org.
  14. [4] ↑ . wikidata.org.
  15. [5] ↑ . Hansard 1803–2005. wikidata.org.
  16. [6] ↑ . wikidata.org.
  17. [2] ↑ . SNAC. Retrieved . wikidata.org.
  18. [3] ↑ . SNAC. Retrieved . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . O'Brien, Peter. wikidata.org.
  22. [24] ↑ . wikidata.org.

Inline context (facts about related entities)

  1. [25] ↑ . Wikidata. wikidata.org. → on this site
  2. [26] ↑ . Wikidata. wikidata.org. → on this site
  3. [27] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [7] ↑ . Wikimedia Foundation. dumps.wikimedia.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). Peter O'Brien, 1st Baron O'Brien. Retrieved October 14, 2026, from https://4ort.xyz/entity/peter-o-brien-1st-baron-o-brien
MLA “Peter O'Brien, 1st Baron O'Brien.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/peter-o-brien-1st-baron-o-brien.
BibTeX @misc{4ortxyz_peter-o-brien-1st-baron-o-brien_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Peter O'Brien, 1st Baron O'Brien}}, year = {2026}, url = {https://4ort.xyz/entity/peter-o-brien-1st-baron-o-brien}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Peter O'Brien, 1st Baron O'Brien — https://4ort.xyz/entity/peter-o-brien-1st-baron-o-brien (retrieved 2026-10-14)

Canonical URL: https://4ort.xyz/entity/peter-o-brien-1st-baron-o-brien · Last refreshed:

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. 10w ago · Epìdosis · 2026-08-05 view diff on Wikidata ↗
    Isni → 0000000077340426
    Our campaigns candidate id → 686711
    Child → James O'Brien, Annie Georgina O'Brien, Ellen Mary O'Brien
    Imported from → —
    + 30 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ Languages spoken, written or signed: English, [[:toollabs:quickstatements/#/batch/263732|batch #263732]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.