Henry Cecil, 1st Marquess of Exeter, 10th Earl of Exeter from 1793, 11th Baron Burghley, 1st Marquess of Exeter from 4 February 1801, Member of Parliament for Stamford, 1774–1790, Fellow of the Royal Society., Member of Parliament, 10th Earl of Exeter, British Member of Parliament, Recorder of Stamford., Honourable, briefly Member of Parliament for Stamford according to secondary genealogical and parliamentary references, 1st Marquess of Exeter from 1801, Fellow of the Royal Society, 10th Baron Burghley
Dates: 14 March 1754 – 1 May 1804
Biography
Born in Brussels as the only son of Thomas Chambers Cecil and Charlotte Garnier, Henry Cecil became heir presumptive to his childless uncle Brownlow Cecil, 9th Earl of Exeter. He was brought up at Burghley House, represented Stamford in Parliament, inherited the Exeter titles and estates in 1793, and was created the first Marquess of Exeter in the Peerage of the United Kingdom in 1801.
Notes / Sources
Cracroft’s Peerage, Marquess of Exeter — https://www.cracroftspeerage.co.uk/exeter1901.htm
Wikimedia Commons, Coat of arms of Cecil, Marquesses of Exeter — https://commons.wikimedia.org/wiki/File:Coat_of_arms_of_Cecil,_Marquesses_of_Exeter.svg
Eton College Register, 1753–1790 — https://upload.wikimedia.org/wikipedia/commons/8/89/The_Eton_College_register%2C_1753-1790_%28IA_etoncollegeregis00etonrich%29.pdf
Chronology of Stamford — https://upload.wikimedia.org/wikipedia/commons/1/18/Chronology_of_Stamford_-_compiled_from_Peck,_Butcher,_Howgrave,_Harrod,_Drakard,_parliamentary_reports,_and_other_important_works_%28IA_chronologyofstam00burt%29.pdf
Family / Armorial Context
Family / cadet branch: Marquesses of Exeter; senior Exeter Cecil line
Father: Hon. Thomas Chambers Cecil
Mother: Charlotte Garnier
Spouse(s): Emma Vernon, married 23 May 1776; marriage dissolved in 1791; Sarah Hoggins, married 3 October 1791; Elizabeth Anne Burrell, married 19 August 1800
Children / next generation: Brownlow Cecil, 2nd Marquess of Exeter; Colonel Lord Thomas Cecil; Lady Sophia Cecil
Armorial Registry
Cecil of Exeter — Henry Cecil, 1st Marquess of Exeter, succession through the younger-son line of Thomas Chambers Cecil
Branch: Exeter line; succession from the younger son of Brownlow Cecil, 8th Earl of Exeter
Issued / recorded: 14 March 1754
Cecil of Exeter — Thomas Chambers Cecil and the younger-son succession that restored the Burghley inheritance
Branch: Exeter line through Thomas Chambers Cecil, younger son of Brownlow Cecil, 8th Earl of Exeter
Issued / recorded: 1728
Cecil of Exeter — Henry Cecil's succession from Thomas Chambers Cecil to the revived senior Exeter peerage
Branch: Exeter line descended from Thomas Chambers Cecil; succession from the younger son of Brownlow Cecil, 8th Earl of Exeter
Issued / recorded: 1754
Cecil of Exeter — Henry Cecil, 10th Earl of Exeter and 1st Marquess of Exeter, younger-son succession from Thomas Chambers Cecil
Branch: Cecil of Exeter — succession through Thomas Chambers Cecil, second son of Brownlow Cecil, 8th Earl of Exeter
Issued / recorded: 1754-03-14
Cecil of Exeter — Henry Cecil, 10th Earl and 1st Marquess of Exeter, 1801 creation-era achievement
Branch: Senior Exeter/Burghley line; second creation of the Marquessate of Exeter
Issued / recorded: 1793
Cecil of Exeter — Henry Cecil, 10th Earl of Exeter, pre-marquess achievement
Branch: Exeter senior line; Thomas Chambers Cecil succession; precursor to the 1801 Marquessate
Issued / recorded: 1793-12-26
Cecil of Exeter — Henry Cecil, 1st Marquess of Exeter, creation-era senior-line arms
Branch: Senior Exeter line; Burghley House
Issued / recorded: 1801
Record history (latest 1)
- Updated crest/arms.
3 Sep 2026, 08:13 UTC · Registry system
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