Joseph Plumley was born 26 June 1721 in Mendon, Worcester County, Massachusetts, United States to Alexander Plumley (1682-1726) and Elizabeth Drew (1682-1757) and died 6 September 1757 Upton, Worcester County, Massachusetts, United States of unspecified causes. He married Dorcas Addy (1724-1758) 30 July 1747 in Uxbridge, Worcester County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Sarah Plumley (1747-) | |||
| John Plumley (1750-1828) | 1750 Upton, Worcester County, Massachusetts, United States | 9 February 1828 Shrewsbury, Rutland County, Vermont, United States | Susannah Clayton (1754-1783) Betsey Perkins (1768-1840) |
| Oliver Plumley (1752-1808) | |||
| Joseph Plumley (1754-1808) | |||
| Elizabeth Plumley (1756-) | |||
Siblings
| Name | Birth | Death | Joined with |
| John Plumley (1702-1740) | |||
| Mary Rankin (1704-1752) | |||
| Abigail Plumley (1707-) | |||
| Alexander Plumley (1707-) | |||
| Elizabeth Plumley (1709-) | |||
| Mercy Plumley (1711-) | |||
| Hannah Plumley (1713-1750) | |||
| Lydia Plumley (1716-) | |||
| Daniel Plumley (1719-1781) | 10 May 1719 Mendon, Worcester County, Massachusetts, United States | 27 August 1781 Sharon, Windsor County, Vermont, United States | Abigail Preston (1723-1814) |
| Joseph Plumley (1721-1757) | 26 June 1721 Mendon, Worcester County, Massachusetts, United States | 6 September 1757 Upton, Worcester County, Massachusetts, United States | Dorcas Addy (1724-1758) |
| Richard Plumley (1723-) | |||