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Marie Say

1857 – 1943

French heiress and socialite

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About Marie Say

Lived 1857 – 1943 (aged 85). Marie Say was a French.

Marie Say (1857–1943) was a French heiress and socialite.

Early life Marie Say was born on 25 August 1857 in Verrières-le-Buisson near Paris. Her paternal grandfather, Louis Auguste Say, was the founder of the Say sugar company (now a subsidiary of Tereos). Her father, Constant André Say, ran the family business, which sold sugar made from beetroot. Her granduncle, Jean-Baptiste Say, was an economist and formulator of Say's law.

Her sister, Jeanne (1848–1916), married Roland, Marquis de Cossé-Brissac (1843–1871), and her brother, Henry (1855–1899), succeeded his father at the Say refinery.

Adult life Say purchased the château de Chaumont with her inheritance in 1875, at the age of seventeen. Shortly after, she married Prince Amédée de Broglie, According to Pierre de Cossé, Duc de Brissac, her second husband spent the vast majority of her fortune.

Death Say died on 15 July 1943 in Paris.

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Important facts

Birth century
Nationality
Also known as
Marie Say de Broglie, Princesse de Broglie

Family & relationships

Spouse
Henri Amédée de Broglie
Spouse
Luís Fernando de Orleans y Borbón

Contemporaries

People whose lives overlapped Marie Say's

Frequently asked questions

Who was Marie Say?

French heiress and socialite (1857–1943)

When was Marie Say born?

Marie Say was born on 25 August 1857 in Verrières-le-Buisson.

When did Marie Say die?

Marie Say died on 15 July 1943 in Paris.

What nationality was Marie Say?

Marie Say was French.

Sources & further reading

· Wikipedia: Marie Say

· Wikidata: Q3292786

· DBpedia: Marie Say

Cite this page

APA: Biography.guide. (2026). Marie Say. https://biography.guide/marie-say/

MLA: "Marie Say." Biography.guide, https://biography.guide/marie-say/.

Chicago: "Marie Say." Biography.guide. https://biography.guide/marie-say/.

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

Portrait: Wikimedia Commons · author & licence

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