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Lettice Mildred Ashley-Cooper

1911 – 1990

British aristocrat, socialite, and aviator

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About Lettice Mildred Ashley-Cooper

Lived 1911 – 1990 (aged 79). Lettice Mildred Ashley-Cooper was a British writer, aristocrat, socialite, airman and art collector.

Lady Lettice Mildred Mary Ashley-Cooper OStJ (12 February 1911 – 24 November 1990) was a British aristocrat, socialite, and airwoman. One of the Bright Young Things of the 1920s, she served in the Women's Auxiliary Air Force during World War II.

Biography Lady Lettice Mildred Mary Ashley-Cooper was born in Wimbledon, London in 1911, the daughter of Anthony Ashley-Cooper, 9th Earl of Shaftesbury and Constance Sibell Grosvenor.

In the World War II, she joined the Women's Auxiliary Air Force, promoted Corporal in charge of the Orderly Room in October 1939 and commissioned as an Assistant Section Officer in June 1941.

She was appointed Officer of the Most Venerable Order of the Hospital of St. John of Jerusalem (O.St.J.).

In 1974, she wrote Two 17th Century Dorset Inventories and in 1986 Unusual Behaviour, published by Gollancz.

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Important facts

Birth century
Awards
Officer of the Order of Saint John
Also known as
Lady Lettice Mildred Mary Ashley-Cooper, Lady Lettice Mildred Ashley-Cooper, Lady Lettice Ashley-Cooper, Lettice Ashley-Cooper, Lettice Mildred Mary Ashley-Cooper

People in Lettice Mildred Ashley-Cooper's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Lettice Mildred Ashley-Cooper's

Frequently asked questions

Who was Lettice Mildred Ashley-Cooper?

British aristocrat, socialite, and aviator (1911-1990)

When was Lettice Mildred Ashley-Cooper born?

Lettice Mildred Ashley-Cooper was born on 12 February 1911.

When did Lettice Mildred Ashley-Cooper die?

Lettice Mildred Ashley-Cooper died on 24 November 1990.

What was Lettice Mildred Ashley-Cooper's occupation?

Lettice Mildred Ashley-Cooper was a writer, aristocrat, socialite, airman and art collector.

What nationality was Lettice Mildred Ashley-Cooper?

Lettice Mildred Ashley-Cooper was British.

Sources & further reading

· Wikipedia: Lettice Mildred Ashley-Cooper

· Wikidata: Q47487407

· DBpedia: Lady Lettice Ashley-Cooper

Cite this page

APA: Biography.guide. (2026). Lettice Mildred Ashley-Cooper. https://biography.guide/lettice-mildred-ashley-cooper/

MLA: "Lettice Mildred Ashley-Cooper." Biography.guide, https://biography.guide/lettice-mildred-ashley-cooper/.

Chicago: "Lettice Mildred Ashley-Cooper." Biography.guide. https://biography.guide/lettice-mildred-ashley-cooper/.

Data last updated: 2026-09-23 · Spot an error? Report a correction.

Portrait: Wikimedia Commons · author & licence

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