About Thomas Sinclair
Lived 1857 – 1940 (aged 82). Thomas Sinclair was a British politician.
Thomas Sinclair, (17 December 1857 – 25 November 1940) was an Irish unionist politician.
Sinclair studied at Queen's University, Belfast before working as a surgeon. He was elected to the Senate of Northern Ireland on its creation in 1921.
He was elected as an Ulster Unionist Party Member of Parliament (MP) for Queen's University of Belfast at the 1923 United Kingdom general election. From 1935 to 1937, Sinclair served as Deputy Speaker of the Senate of Northern Ireland.
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Important facts
Family & relationships
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Contemporaries
People whose lives overlapped Thomas Sinclair's
Frequently asked questions
Who was Thomas Sinclair?
British politician (1857-1940)
When was Thomas Sinclair born?
Thomas Sinclair was born on 17 December 1857 in Belfast.
When did Thomas Sinclair die?
Thomas Sinclair died on 25 November 1940 in Belfast.
What was Thomas Sinclair's occupation?
Thomas Sinclair was a politician.
What nationality was Thomas Sinclair?
Thomas Sinclair was British.
Sources & further reading
· DBpedia: Thomas Sinclair (politician, 1857–1940)
Cite this page
APA: Biography.guide. (2026). Thomas Sinclair. https://biography.guide/thomas-sinclair-politician/
MLA: "Thomas Sinclair." Biography.guide, https://biography.guide/thomas-sinclair-politician/.
Chicago: "Thomas Sinclair." Biography.guide. https://biography.guide/thomas-sinclair-politician/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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