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Fiennes Cornwallis

1831 – 1867

British Army officer

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About Fiennes Cornwallis

Lived 1831 – 1867 (aged 35). Fiennes Cornwallis was a British military personnel.

Major Fiennes Cornwallis, born Fiennes Wykeham-Martin (1 November 1831 – 24 April 1867), was a British Army officer and related to the Cornwallis family.

Early life Born 1 November 1831 at Leeds Castle, Kent, England, he was the son of Charles Wykeham Martin M.P. and Lady Jemima Isabella (née Mann) and was educated at Eton College.

Family life Major Cornwallis, married Harriet Elizabeth (née Mott), daughter of John Thomas Mott on 29 July 1863 and had 4 children. The eldest became 1st Baron Cornwallis.

Cornwallis was the grandson of James Mann, 5th Earl Cornwallis; the great-grandson of James Cornwallis, 4th Earl Cornwallis; the 2nd great-grandson of Charles Cornwallis, 1st Earl Cornwallis; the 3rd great-grandson of Charles Cornwallis, 4th Baron Cornwallis; the 4th great-grandson of Charles Cornwallis, 3rd Baron Cornwallis; the 5th great-grandson of Charles Cornwallis, 2nd Baron Cornwallis; the 6th great-grandson of Frederick Cornwallis, 1st Baron Cornwallis; and the 7th great-grandson of Jane Cornwallis, and Elizabeth Richardson, 1st Lady Cramond. His other ancestors include Edward Cornwallis, Frederick Cornwallis, Charles Cornwallis, 1st Marquess Cornwallis, William Cornwallis, and Charles Cornwallis, 2nd Marquess Cornwallis.

Military career Cornwallis served in the Crimean War with the 4th Light Dragoons and took part in the Charge of the Light Brigade, becoming aide-de-camp to Lord George Paget in the Crimea.

Later life Cornwallis retired from the Army on 5 May 1863 with the rank of Major and died few years later on 24 April 1867 in a hunting accident.

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Important facts

Birth century
Occupation
Education
Eton College
Employers
British Army
Also known as
Fiennes Wykeham-Martin

Family & relationships

Parent
Charles Wykeham Martin
Parent
Lady Jemima Isabella

People in Fiennes Cornwallis's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Fiennes Cornwallis's

Frequently asked questions

Who was Fiennes Cornwallis?

British Army officer

When was Fiennes Cornwallis born?

Fiennes Cornwallis was born on 1 November 1831 in Leeds Castle.

When did Fiennes Cornwallis die?

Fiennes Cornwallis died on 24 April 1867 in Banbury.

What was Fiennes Cornwallis's occupation?

Fiennes Cornwallis was a military personnel.

What nationality was Fiennes Cornwallis?

Fiennes Cornwallis was British.

Sources & further reading

· Wikipedia: Fiennes Cornwallis

· Wikidata: Q5447258

· DBpedia: Fiennes Cornwallis

Cite this page

APA: Biography.guide. (2026). Fiennes Cornwallis. https://biography.guide/fiennes-cornwallis/

MLA: "Fiennes Cornwallis." Biography.guide, https://biography.guide/fiennes-cornwallis/.

Chicago: "Fiennes Cornwallis." Biography.guide. https://biography.guide/fiennes-cornwallis/.

Data last updated: 2026-09-22 · Spot an error? Report a correction.

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