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Daniel O'Brien, 1st Viscount Clare

Irish politician
Person human Q5218286
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Summary

Daniel O'Brien, 1st Viscount Clare was born on 1577[1]. He died on January 1, 1666[2]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (59 views/month, #7,293 of 1,000,298).[3]

Key Facts

  • Father: Connor O'Brien, 3rd Earl of Thomond[4]
  • Mother: Una O'Brien[5]
  • Spouse: Lady Catherine FitzGerald[6]
  • Child: Connor O'Brien, 2nd Viscount Clare[7], Teige O'Brien[8], Murrough O'Brien[9], Margaret O'Brien[10], Donough O'Brien[11]
  • Country of citizenship: Kingdom of Ireland[12]
  • Position held: Member of Parliament in the Parliament of Ireland[13]
  • Sex or gender: male[14]
  • Noble title: Viscount Clare[15]
  • Family name: O'Brien[16]
  • Given name: Daniel[17]
  • Described by source: Dictionary of National Biography, 1885–1900[18]
  • Sibling: Donogh O'Brien, 4th Earl of Thomond[19], Margaret O'Brien[20], Lady Honor O'Brien[21], Teige O'Brien[22], Mary O'Brien[23], Honora O'Brien[24]

Why It Matters

Daniel O'Brien, 1st Viscount Clare is known by 3 alternative names across languages and contexts.[25]

FAQs

Who were Daniel O'Brien, 1st Viscount Clare's parents?

Daniel O'Brien, 1st Viscount Clare's father was Connor O'Brien, 3rd Earl of Thomond[4]. Daniel O'Brien, 1st Viscount Clare's mother was Una O'Brien[5].

Who was Daniel O'Brien, 1st Viscount Clare married to?

Daniel O'Brien, 1st Viscount Clare's spouses include Lady Catherine FitzGerald[6].

References

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

Direct Wikidata claims

  1. [14] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . The Peerage. wikidata.org.
  4. [6] ↑ . Retrieved . wikidata.org.
  5. [12] ↑ . wikidata.org.
  6. [13] ↑ . wikidata.org.
  7. [7] ↑ . wikidata.org.
  8. [8] ↑ . The Peerage. wikidata.org.
  9. [9] ↑ . The Peerage. wikidata.org.
  10. [10] ↑ . The Peerage. wikidata.org.
  11. [11] ↑ . wikidata.org.
  12. [15] ↑ . wikidata.org.
  13. [1] ↑ . wikidata.org.
  14. [2] ↑ . Dictionary of Irish Biography. wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [3] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [25] ↑ . Wikidata aliases. 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). Daniel O'Brien, 1st Viscount Clare. Retrieved October 14, 2026, from https://4ort.xyz/entity/daniel-o-brien-1st-viscount-clare
MLA “Daniel O'Brien, 1st Viscount Clare.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/daniel-o-brien-1st-viscount-clare.
BibTeX @misc{4ortxyz_daniel-o-brien-1st-viscount-clare_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Daniel O'Brien, 1st Viscount Clare}}, year = {2026}, url = {https://4ort.xyz/entity/daniel-o-brien-1st-viscount-clare}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Daniel O'Brien, 1st Viscount Clare — https://4ort.xyz/entity/daniel-o-brien-1st-viscount-clare (retrieved 2026-10-14)

Canonical URL: https://4ort.xyz/entity/daniel-o-brien-1st-viscount-clare · 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. 1d ago · Gamaliel · 2026-10-14 view diff on Wikidata ↗
    Date of birth → +1577-00-00T00:00:00Z
    Imported from → —
    Noble title → Viscount Clare
    The peerage person id → p21695.htm#i216943
    + 26 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-statements-single-property-add:1||5 */ Sibling, Adding statement(s) using [[:toollabs:wikidata-todo/relator2|Relator2]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.