Sarah Cavendish, 1st Baroness Waterpark

Sarah Cavendish, 1st Baroness Waterpark (1 August 1740 – 4 August 1807), née Bradshaw, was an Anglo-Irish peeress.

She was the only daughter and heiress of Richard Bradshaw and his wife Deborah Thompson. On 12 August 1757 she married the politician Henry Cavendish. On 15 June 1792 she was created Baroness Waterpark in the Peerage of Ireland in her own right, with remainder to the heirs male of her body by Henry Cavendish. The title was created in honour of her husband, but in such a way that would enable him to continue to sit in the Irish House of Commons.

Baroness Waterpark had eight children. She was succeeded in her title by her eldest son, Richard Cavendish. Her two younger sons, George and Augustus, were both politicians.

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