Mary Rich Whitney was born 15 February 1778 in Gorham, Cumberland County, Maine to James Rich (1748-1817) and Abigail Stevens (1753-) and died 17 August 1822 Hallowell, Kennebec County, Maine of unspecified causes. She married Samuel Whitney (1777-1859) 10 April 1803 in Unity, Waldo County, Maine.
Children
| Name | Birth | Death | Joined with |
| Alfred M Whitney (1804-1866) | 5 June 1804 Thorndike, Waldo County, Maine | 3 May 1866 Chicago, Cook County, Illinois | Lucinda Ring (1804-1870) |
| George Whitney (1806-1837) | |||
| Samuel Whitney (1808-1827) | |||
| Mary Whitney (1811-) | |||
| Abigail Whitney (1813-) | |||
| Jane Whitney (1815-) | |||
| Olive Whitney (1817-) | |||
| Emily Whitney (1818-1839) | |||
| Albion Paris Whitney (1822-1868) | |||
Siblings