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Hugh Detmar Torrens O'Neill, 3rd Baron Rathcavan

1939 – 2025

British peer (born 1939)

Politician
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About Hugh Detmar Torrens O'Neill, 3rd Baron Rathcavan

Lived 1939 – 2025 (aged 86). Hugh Detmar Torrens O'Neill, 3rd Baron Rathcavan was a British politician.

Hugh Detmar Torrens O'Neill, 3rd Baron Rathcavan (14 June 1939 – 11 November 2025), was a British hereditary peer and businessman who sat as a crossbencher in the House of Lords from 1994 until 1999.

Life and career O'Neill was educated at Eton College. He ran Lamont, a textile company in Northern Ireland, in the 1980s and was chairman of the Northern Ireland Tourist Board before taking on the Brasserie St Quentin in Knightsbridge in 2002. Lord Rathcavan died on 11 November 2025, at the age of 86.

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Important facts

Born
14 June 1939
Birth century
20th century
Died
11 November 2025
Occupation
Politician
Nationality
United Kingdom
Education
Eton College
Positions held
Member of the House of Lords

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Frequently asked questions

Who was Hugh Detmar Torrens O'Neill, 3rd Baron Rathcavan?

British peer (born 1939)

When was Hugh Detmar Torrens O'Neill, 3rd Baron Rathcavan born?

Hugh Detmar Torrens O'Neill, 3rd Baron Rathcavan was born on 14 June 1939.

When did Hugh Detmar Torrens O'Neill, 3rd Baron Rathcavan die?

Hugh Detmar Torrens O'Neill, 3rd Baron Rathcavan died on 11 November 2025.

What was Hugh Detmar Torrens O'Neill, 3rd Baron Rathcavan's occupation?

Hugh Detmar Torrens O'Neill, 3rd Baron Rathcavan was a politician.

What nationality was Hugh Detmar Torrens O'Neill, 3rd Baron Rathcavan?

Hugh Detmar Torrens O'Neill, 3rd Baron Rathcavan was British.

Sources & further reading

· Wikipedia: Hugh Detmar Torrens O'Neill, 3rd Baron Rathcavan

· Wikidata: Q5930540

· DBpedia: Hugh O'Neill, 3rd Baron Rathcavan

Cite this page

APA: Biography.guide. (2026). Hugh Detmar Torrens O'Neill, 3rd Baron Rathcavan. https://biography.guide/hugh-detmar-torrens-o-neill-3rd-baron-rathcavan/

MLA: "Hugh Detmar Torrens O'Neill, 3rd Baron Rathcavan." Biography.guide, https://biography.guide/hugh-detmar-torrens-o-neill-3rd-baron-rathcavan/.

Chicago: "Hugh Detmar Torrens O'Neill, 3rd Baron Rathcavan." Biography.guide. https://biography.guide/hugh-detmar-torrens-o-neill-3rd-baron-rathcavan/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

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