| Spouse: | Sir Claude Champion de Crespigny, 1st Baronet (1734–1818) |
| Children: | Sir William Champion de Crespigny, 2nd Baronet (1765–1829) |
| Birth Name: | Mary Clarke |
| Death Place: | Richmond House, Richmond |
| Notable Works: | The Pavilion |
Mary Champion de Crespigny (née Clarke; - 12 July 1812) was an English novelist and letter writer.
Mary Clarke was born, an only daughter.[1]
She married Sir Claude Champion de Crespigny, 1st Baronet. They had one child, a son named William, born on 1 January 1765.[2] William was educated at Eton College and Trinity Hall, Cambridge and was MP for Southampton 1818–1826.[3]
She died at Richmond House on 12 July 1812.
Around 1780, Mary Champion de Crespigny wrote a series of letters to her son, William, then aged 15. These were published as Letters of Advice from a Mother to her Son in 1803 and were dedicated to John Moore, the Archbishop of Canterbury.
In 1796, she published her only novel, The Pavilion, in four volumes.
She is one of the "lost" women writers listed by Dale Spender in .