---
title: "Mary Blandy: The Poisoner"
description: "The 1751 case of Mary Blandy, who conspired with her lover Captain William Cranstoun to poison her father with arsenic-laced \"love powders,\" became a landmark trial in early forensic medicine and remains debated today."
url: https://casualcriminalist.pub/article/mary-blandy-the-poisoner.md
canonical: https://casualcriminalist.pub/article/mary-blandy-the-poisoner
datePublished: 2026-06-12
dateModified: 2026-06-12
author:
  - name: Dana Ortiz
    url: https://casualcriminalist.pub/author/dana-ortiz
publisher: Casual Criminalist
image: "https://media.casualcriminalist.pub/cdn-cgi/image/width=1600,height=900,fit=cover,quality=80,format=auto/articles/BjIFQ3Mcmwo/hero.jpg"
type: Article
contentHash: 76636263ad55154e0c54dfa1dd1a8ad6a9c40a7dc146b46b8540ccf67739cd77
tokens: 55
summaryUrl: https://casualcriminalist.pub/article/mary-blandy-the-poisoner.md.summary.md
---

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The 1751 case of Mary Blandy, who conspired with her lover Captain William Cranstoun to poison her father with arsenic-laced "love powders," became a landmark trial in early forensic medicine and remains debated today.
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