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Sylvester O'Halloran

Irish surgeon
Person human Q7660815
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Summary

Sylvester O'Halloran was born on December 31, 1728[1]. He died on August 11, 1807[2]. He worked as a historian[3] and surgeon[4]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (50 views/month, #7,298 of 1,000,298).[5]

Key Facts

  • Spouse: Mary Casey[6]
  • Child: Joseph O'Halloran[7]
  • Member of: Royal Irish Academy[8]
  • Sex or gender: male[9]
  • Commons category: Sylvester O'Halloran[10]
  • Family name: O'Halloran[11]
  • Given name: Sylvester[12]
  • Described by source: Dictionary of National Biography, 1885–1900[13]

FAQs

Who was Sylvester O'Halloran married to?

Sylvester O'Halloran's spouses include Mary Casey[6].

What did Sylvester O'Halloran do for work?

Sylvester O'Halloran worked as a historian[3] and surgeon[4].

References

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

Direct Wikidata claims

  1. [9] ↑ . wikidata.org.
  2. [6] ↑ . Retrieved . wikidata.org.
  3. [7] ↑ . The Peerage. wikidata.org.
  4. [3] ↑ . wikidata.org.
  5. [4] ↑ . wikidata.org.
  6. [10] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [1] ↑ . The Peerage. Retrieved . wikidata.org.
  9. [2] ↑ . The Peerage. Retrieved . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  12. [13] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [5] ↑ . 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). Sylvester O'Halloran. Retrieved October 22, 2026, from https://4ort.xyz/entity/sylvester-o-halloran
MLA “Sylvester O'Halloran.” 4ort.xyz Knowledge Graph, 4ort.xyz, 22 Oct. 2026, https://4ort.xyz/entity/sylvester-o-halloran.
BibTeX @misc{4ortxyz_sylvester-o-halloran_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Sylvester O'Halloran}}, year = {2026}, url = {https://4ort.xyz/entity/sylvester-o-halloran}, note = {Accessed: 2026-10-22}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Sylvester O'Halloran — https://4ort.xyz/entity/sylvester-o-halloran (retrieved 2026-10-22)

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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. 4h ago · DifoolBot bot · 2026-10-22 view diff on Wikidata ↗
    Claims rich → —
    "/* wbsetclaim-update:1||1 */ Open library id: OL6639694A, deprecate Open Library ID redirect(s) OL6639694A → OL2588226A (target already on item; added by blocked sock AntiDerangedKhanTengriAction, Q"
  2. 7d ago · AntiDerangedKhanTengriAction · 2026-10-14 view diff on Wikidata ↗
    Open library id → OL2588226A, OL6639694A
    Wikipedia languages → ['arz', 'commons', 'en', 'ga']
    Claims rich → —
    "/* wbcreateclaim-create:1| */ Open library id: OL6639694A, [[:toollabs:quickstatements/#/batch/290734|batch #290734]]"
  3. 22w ago · Epìdosis · 2026-05-15 view diff on Wikidata ↗
    Instance of → —
    Child → Joseph O'Halloran
    Sex or gender → male
    Occupation → historian, surgeon
    + 11 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ Cerl thesaurus id: cnp00964632, [[:toollabs:quickstatements/#/batch/257929|batch #257929]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.