Mary Clarke Hart was born 11 January 1670 in Newport, Newport County, Rhode Island to Weston Clarke (1648-1730) and Mary Easton (1648-1690) and died 11 November 1690 Rhode Island of unspecified causes. She married James Hart (1666-1693) 1688 in Newport, Newport County, Rhode Island.
Siblings
| Name | Birth | Death | Joined with |
| Elinor Clarke (1669-) | |||
| Freeman Clarke (1669-) | |||
| Jeremiah Clarke (1670-1688) | |||
| Mary Clarke (1670-1690) | 11 January 1670 Newport, Newport County, Rhode Island | 11 November 1690 Rhode Island | James Hart (1666-1693) |
| John Clarke (1672-) | |||
| Weston Clarke (1674-1675) | |||
| Walter Clarke (1676-1714) | |||
| Weston Clarke (1677-1697) | |||
| Ann Clarke (1682-1759) | |||
| Jeremiah Clarke (1685-1689) | |||
| Patience Clarke (1685-) | |||
| Name | Birth | Death | Joined with |
| Jeremiah Clarke (1692-1756) | |||
| Patience Clarke (1693-) | |||
| Mary Clarke (1694-) | |||
| Rose Weston Clarke (1695-1751) | |||
| Elizabeth Clarke (1695-) | |||
| Weston Clarke (1697-1737) | |||