About John Dennistoun
Lived 1803 – 1870 (aged 66–67). John Dennistoun was a British politician.
John Dennistoun (19 March 1803 – 9 September 1870) was a British Whig politician and banker.
A member of Brooks's, he was elected Whig MP for Glasgow at a by-election in 1837—caused by the resignation of James Oswald—and held the seat until 1847 when he was defeated.
His wife Frances was the daughter of Sir Henry Onslow. His brother Alexander Dennistoun was Whig MP for Dunbartonshire from 1835 to 1837.
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Important facts
People in John Dennistoun's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped John Dennistoun's
Frequently asked questions
Who was John Dennistoun?
Scottish politician, 1803-1870
When was John Dennistoun born?
John Dennistoun was born in 1803.
When did John Dennistoun die?
John Dennistoun died on 9 September 1870.
What was John Dennistoun's occupation?
John Dennistoun was a politician.
What nationality was John Dennistoun?
John Dennistoun was British.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). John Dennistoun. https://biography.guide/john-dennistoun/
MLA: "John Dennistoun." Biography.guide, https://biography.guide/john-dennistoun/.
Chicago: "John Dennistoun." Biography.guide. https://biography.guide/john-dennistoun/.
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