Sarah Coffer was born 28 April 1643 in Port Tobacco Village, Maryland, United States to Thomas Coffer (1620-1700) and Joanna Cooper (1623-1705) and died 20 February 1708 Charles County, Maryland, United States of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| Matthew Barnes (1670-1746) | 20 March 1670 Port Tobacco Village, Maryland, United States | 10 January 1746 Port Tobacco Village, Maryland, United States | Elizabeth Jones (1666-1694) |
Siblings
| Name | Birth | Death | Joined with |
| Sarah Coffer (1643-1708) | 28 April 1643 Port Tobacco Village, Maryland, United States | 20 February 1708 Charles County, Maryland, United States | Henry Barnes (1650-1675) |