Ruth Plummer Lyman was born 12 July 1730 in Gloucester, Essex County, Massachusetts to David Plummer (1696-1748) and Ann Newman (1693-1736) and died 20 January 1824 York, York County, Maine of unspecified causes. She married Isaac Lyman (1724-1810) 14 April 1750 .
Gravestone Inscription
Gravestone of Ruth Plummer in Old York Cemetery, York ME.
Children
| Name | Birth | Death | Joined with |
| Theodosia Lyman (1751-1837) | |||
| Theadore Lyman (1753-1839) | 8 January 1753 Boston, Suffolk County, Massachusetts, United States | 24 May 1839 Waltham, Middlesex County, Massachusetts, United States | Sarah Emerson (1762-1835) Lydia Rice Williams (1759-1826) |
| Olive Lyman (1755-1802) | |||
| Lucy Lyman (1758-) | |||
| Timothy Lyman (1760-1848) | |||
| Mary Lyman (1765-1805) | |||
| Elisabeth Lyman (1768-1854) | |||
| Sarah Lyman (1772-) | |||
Siblings
| Name | Birth | Death | Joined with |
| Mary Plummer (1723-) | |||
| Samuel Plummer (1725-1778) | |||
| Ann Plummer (1727-) | |||
| Ruth Plummer (1730-1824) | 12 July 1730 Gloucester, Essex County, Massachusetts | 20 January 1824 York, York County, Maine | Isaac Lyman (1724-1810) |
| Sarah Plummer (1732-) | |||
| Elizabeth Plummer (1734-) | |||
| Name | Birth | Death | Joined with |
| David Plummer (1738-1801) | |||
| Daniel Plummer (1741-1792) | |||