- Birth*: Mary Stokel was born at Delaware.
- Marriage*: Mary Stokel married Conrad Leidy, son of John Jacob Leidy and Catharine Conver, on 16 September 1818 at Pennsylvania.
- Death*: Mary Stokel died on 22 March 1870 at Pennsylvania.
Family: Conrad Leidy b. 25 Nov 1788, d. 2 Sep 1875