Cornelius O'Callaghan, 1st Viscount Lismore

politician (1775-1857)
Person human Q24288423
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Cornelius O'Callaghan, 1st Viscount Lismore

Summary

Cornelius O'Callaghan, 1st Viscount Lismore is a human[1]. He was born on October 2, 1775[2]. He died on May 30, 1857[3]. He worked as a politician[4].

Key Facts

  • Cornelius O'Callaghan, 1st Viscount Lismore was born on October 2, 1775[2].
  • Cornelius O'Callaghan, 1st Viscount Lismore died on May 30, 1857[3].
  • Cornelius O'Callaghan, 1st Viscount Lismore's father was Cornelius O'Callaghan, 1st Baron Lismore[5].
  • Cornelius O'Callaghan, 1st Viscount Lismore's mother was Frances Ponsonby[6].
  • Among Cornelius O'Callaghan, 1st Viscount Lismore's spouses was Lady Eleanor Butler[7].
  • A child of Cornelius O'Callaghan, 1st Viscount Lismore was Cornelius O'Callaghan[8].
  • A child of Cornelius O'Callaghan, 1st Viscount Lismore was Q21557629[9].
  • A child of Cornelius O'Callaghan, 1st Viscount Lismore was William Frederick O'Callaghan[10].
  • A child of Cornelius O'Callaghan, 1st Viscount Lismore was Lady Anne Maria Louisa O'Callaghan[11].
  • Cornelius O'Callaghan, 1st Viscount Lismore's professions included politician[4].
  • Cornelius O'Callaghan, 1st Viscount Lismore held the position of Member of the Privy Council of Ireland[12].
  • Cornelius O'Callaghan, 1st Viscount Lismore held the position of member of the House of Lords[13].
  • Cornelius O'Callaghan, 1st Viscount Lismore held the position of member of the 3rd Parliament of the United Kingdom[14].
  • Cornelius O'Callaghan, 1st Viscount Lismore is recorded as male[15].
  • Cornelius O'Callaghan, 1st Viscount Lismore's instance of is recorded as human[16].
  • Cornelius O'Callaghan, 1st Viscount Lismore's noble title is recorded as Viscount Lismore[17].
  • Cornelius O'Callaghan, 1st Viscount Lismore's given name is recorded as Cornelius[18].

Body

Origins and Family

Cornelius O'Callaghan, 1st Viscount Lismore was born on October 2, 1775[2]. His father was Cornelius O'Callaghan, 1st Baron Lismore[5]. His mother was Frances Ponsonby[6].

Career and Affiliations

Cornelius O'Callaghan, 1st Viscount Lismore worked as a politician[4]. Positions held include Member of the Privy Council of Ireland[12]; member of the House of Lords[13], a position[19], in United Kingdom[20], founded in 1801[21]; and member of the 3rd Parliament of the United Kingdom[14], a position[22], in United Kingdom[23], founded in 1806[24].

Personal Life

Among Cornelius O'Callaghan, 1st Viscount Lismore's spouses was Lady Eleanor Butler[7]. Children include Cornelius O'Callaghan[8], a politician[25], 1809–1849[26]; Q21557629[9], a military personnel[27], 1815–1898[28]; William Frederick O'Callaghan[10]; and Lady Anne Maria Louisa O'Callaghan[11].

Death and Burial

Cornelius O'Callaghan, 1st Viscount Lismore died on May 30, 1857[3].

FAQs

Who were Cornelius O'Callaghan, 1st Viscount Lismore's parents?

Cornelius O'Callaghan, 1st Viscount Lismore's father was Cornelius O'Callaghan, 1st Baron Lismore[5]. Cornelius O'Callaghan, 1st Viscount Lismore's mother was Frances Ponsonby[6].

Who was Cornelius O'Callaghan, 1st Viscount Lismore married to?

Cornelius O'Callaghan, 1st Viscount Lismore's spouses include Lady Eleanor Butler[7].

What did Cornelius O'Callaghan, 1st Viscount Lismore do for work?

Cornelius O'Callaghan, 1st Viscount Lismore worked as politician[4].

References

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

Direct Wikidata claims

  1. [15] . wikidata.org.
  2. [5] . wikidata.org.
  3. [6] . The Peerage. wikidata.org.
  4. [7] . Retrieved . wikidata.org.
  5. [16] . wikidata.org.
  6. [12] . wikidata.org.
  7. [13] . wikidata.org.
  8. [14] . wikidata.org.
  9. [8] . The Peerage. wikidata.org.
  10. [9] . The Peerage. wikidata.org.
  11. [10] . The Peerage. wikidata.org.
  12. [11] . The Peerage. wikidata.org.
  13. [17] . wikidata.org.
  14. [4] . Hansard 1803–2005. Retrieved . wikidata.org.
  15. [2] . The Peerage. Retrieved . wikidata.org.
  16. [3] . The Peerage. Retrieved . wikidata.org.
  17. [18] . wikidata.org.

Inline context (facts about related entities)

  1. [19] . Wikidata. wikidata.org. → on this site
  2. [20] . Wikidata. wikidata.org. → on this site
  3. [21] . Wikidata. wikidata.org. → on this site
  4. [22] . Wikidata. wikidata.org. → on this site
  5. [23] . Wikidata. wikidata.org. → on this site
  6. [24] . Wikidata. wikidata.org. → on this site
  7. [25] . Wikidata. wikidata.org. → on this site
  8. [26] . Wikidata. wikidata.org. → on this site
  9. [27] . Wikidata. wikidata.org. → on this site
  10. [28] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Cornelius O'Callaghan, 1st Viscount Lismore. Retrieved May 3, 2026, from https://4ort.xyz/entity/cornelius-o-callaghan-1st-viscount-lismore
MLA “Cornelius O'Callaghan, 1st Viscount Lismore.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cornelius-o-callaghan-1st-viscount-lismore.
BibTeX @misc{4ortxyz_cornelius-o-callaghan-1st-viscount-lismore_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Cornelius O'Callaghan, 1st Viscount Lismore}}, year = {2026}, url = {https://4ort.xyz/entity/cornelius-o-callaghan-1st-viscount-lismore}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Cornelius O'Callaghan, 1st Viscount Lismore — https://4ort.xyz/entity/cornelius-o-callaghan-1st-viscount-lismore (retrieved 2026-05-03)

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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. 6w ago · Melderick · 2026-07-14 view diff on Wikidata ↗
    Wikitree person id O'Callaghan-609
    Google knowledge graph id /g/11byzd2nxj
    Cambridge alumni database id OCLN793C
    Beamish peerage database person id 197
    + 22 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P7929]]: p=cornelius;n=o callaghan;oc=2"
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