Penelope Winter Cooper was born January 1756 in Uxbridge, Worcester County, Massachusetts, United States to Christopher Winter (1713-) and Ruth Aldrich (1716-1760) and died circa 1814 Northbridge, Worcester County, Massachusetts, United States of unspecified causes. She married John Cooper (1750-1818) 21 November 1771 in Uxbridge, Worcester County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Ruby Cooper (c1773-) | |||
| Sadius Cooper (1775-1850) | |||
| Penelope Cooper (1777-1842) | |||
| Ruth Cooper (1779-) | 6 September 1779 Northbridge, Worcester County, Massachusetts, United States | Calvin Cooper (1779-1846) | |
| Elisabeth Cooper (1784-) | |||
| Manning Cooper (1786-1809) | |||
| Stillman Cooper (1788-1869) | |||
| Polley Cooper (1795-) | |||
Siblings