Biography.guide
Home › People › Diplomat › Con O'Neill
Portrait of Con O'Neill

Con O'Neill

1912 – 1988

British diplomat

Don't just read it — keep itBiographies to ownE-book · Audio · Video From $7 →

About Con O'Neill

Lived 1912 – 1988 (aged 75). Con O'Neill was a British diplomat and politician.

Sir Con Douglas Walter O'Neill (3 June 1912 – 11 January 1988) was a British civil servant and diplomat. He was the British Ambassador to China (1955–1957) and the British Ambassador to Finland (1961–1963).

Biography shop

Don’t just read it —
keep it.

Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.

  • E-book
  • Audio
  • Video
Browse the shop — from $7

Instant download · yours to keep · every purchase keeps this site free

Important facts

Birth century
Education
Balliol College, Eton College, Balliol College, Oxford
Positions held
United Kingdom Permanent Representative to the European Communities, Ambassador of the United Kingdom to Finland
Employers
Foreign Office
Also known as
Sir Con Douglas Walter O'Neill, Hon. Sir Con Douglas Walter O'Neill

Family & relationships

Child
Onora O'Neill
Parent
Hugh O'Neill, 1st Baron Rathcavan

Contemporaries

People whose lives overlapped Con O'Neill's

Frequently asked questions

Who was Con O'Neill?

British diplomat (1912–1988)

When was Con O'Neill born?

Con O'Neill was born on 3 June 1912 in London.

When did Con O'Neill die?

Con O'Neill died on 11 January 1988 in London.

What was Con O'Neill's occupation?

Con O'Neill was a diplomat and politician.

What nationality was Con O'Neill?

Con O'Neill was British.

Sources & further reading

· Wikipedia: Con O'Neill

· Wikidata: Q4340916

· DBpedia: Con O'Neill (diplomat)

Cite this page

APA: Biography.guide. (2026). Con O'Neill. https://biography.guide/con-o-neill/

MLA: "Con O'Neill." Biography.guide, https://biography.guide/con-o-neill/.

Chicago: "Con O'Neill." Biography.guide. https://biography.guide/con-o-neill/.

Data last updated: 2026-09-27 · Spot an error? Report a correction.

Page generated 2026-09-27 05:16 UTC