Mary Barrett Rice was born 24 April 1672 in Marlborough, Middlesex County, Massachusetts to John Barrett (1635-1711) and Mary Pond (1639-1711) and died 6 October 1752 Marlborough, Middlesex County, Massachusetts of unspecified causes. She married Jacob Rice (1660-1746) 1691 in Marlborough, Middlesex County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Amos Rice (1693-1767) | |||
| Martha Rice (1696-1785) | |||
| Obadiah Rice (1698-1722) | 13 November 1698 Marlborough, Middlesex County, Massachusetts | Esther Merrick (1703-1751) | |
| Esther Rice (1700-1803) | |||
| Eunice Rice (1702-1715) | |||
| Mary Rice (1705-1804) | |||
| Jacob Rice (1707-1788) | 3 October 1707 Marlborough, Middlesex County, Massachusetts, United States | 29 July 1788 Northborough, Worcester County, Massachusetts, United States | Hannah Howe (1706-1757) Hannah Maynard (1718-1803) |
| Gershom Rice (1710-1790) | |||
| Lydia Rice (1711-1794) | |||
| Bethiah Rice (1712-1794) | |||
Siblings
| Name | Birth | Death | Joined with |
| John Barrett (1663-1715) | 1663 Marlborough, Middlesex County, Massachusetts | 5 October 1715 Marlborough, Middlesex County, Massachusetts | Deborah Howe (1666-1708) |
| Mary Barrett (1666-1668) | |||
| Grace Barrett (1669-1739) | 18 June 1669 Marlborough, Middlesex County, Massachusetts, United States | 1 June 1739 Marlborough, Middlesex County, Massachusetts, United States | Abiel Bush (1661-1715) |
| Mary Barrett (1672-1752) | 24 April 1672 Marlborough, Middlesex County, Massachusetts | 6 October 1752 Marlborough, Middlesex County, Massachusetts | Jacob Rice (1660-1746) |
| Lydia Barrett (1674-1739) | |||