Damaris Westcott Arnold was born 27 January 1621 in Yeovil, Somerset, England to Stukely Westcott (1592-1677) and Juliana Marchant (1591-1670) and died 19 June 1678 Newport, Newport County, Rhode Island of unspecified causes. She married Benedict Arnold (1615-1678) 17 December 1640 in Providence, Providence County, Rhode Island, United States.
Children
| Name | Birth | Death | Joined with |
| Benedict Arnold (1642-1727) | 10 February 1642 Pawtucket, Providence County, Rhode Island, United States | 4 July 1727 Newport, Newport County, Rhode Island, United States | Mary Turner (1653-1690) Sarah Mumford (1668-1746) |
| Caleb Arnold (1644-1719) | |||
| Josiah Arnold (1646-1725) | |||
| Damaris Arnold (1648-1747) | |||
| William Arnold (1651-1651) | |||
| Penelope Arnold (1653-1718) | |||
| Oliver Arnold (1655-1697) | |||
| Godsgift Arnold (1658-1691) | 27 August 1658 Newport County, Rhode Island | 23 April 1691 Portsmouth, Newport County, Rhode Island | Jireh Bull (1659-1709) |
| Freelove Arnold (1661-1711) | |||
Siblings