About John Henry Guinness
Lived 1935 – 1988 (aged 52). John Henry Guinness was an Irish banker.
John Henry Guinness (10 April 1935 – 29 February 1988) was a son of Henry Eustace Guinness and was chairman of Guinness Mahon.
Educated at Eton College, he attained the rank of officer in the Royal Navy. Later, he was named a director of Guinness Peat Group and served as chairman of Guinness and Mahon merchant bank. He married English-born Mary Jennifer Hollwey. She was rescued by Garda Síochána later that month.
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Important facts
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Frequently asked questions
Who was John Henry Guinness?
Irish banker
When was John Henry Guinness born?
John Henry Guinness was born on 10 April 1935.
When did John Henry Guinness die?
John Henry Guinness died on 29 February 1988.
What was John Henry Guinness's occupation?
John Henry Guinness was a banker.
What nationality was John Henry Guinness?
John Henry Guinness was Irish.
Sources & further reading
· Wikipedia: John Henry Guinness
· DBpedia: John Henry Guinness
Cite this page
APA: Biography.guide. (2026). John Henry Guinness. https://biography.guide/john-henry-guinness/
MLA: "John Henry Guinness." Biography.guide, https://biography.guide/john-henry-guinness/.
Chicago: "John Henry Guinness." Biography.guide. https://biography.guide/john-henry-guinness/.
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