Mary Knowles was born 22 May 1646 in Warwick, Rhode Island, United States to Henry Knowles (1608-1670) and Elizabeth Potter (1620-1679) and died 28 December 1719 Cranston, Rhode Island, United States of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| Martha Lippitt (1663-1718) | 8 January 1663 Providence, Rhode Island, United States | 5 July 1718 Cranston, Rhode Island, United States | Thomas Burlingame (1667-1726) |
| Rebecca Lippitt (1673-1745) | 9 September 1673 Providence, Rhode Island, United States | 12 December 1745 Warwick, Rhode Island, United States | John Lippitt (1665-1723) |
Siblings
| Name | Birth | Death | Joined with |
| Mary Knowles (1646-1719) | 22 May 1646 Warwick, Rhode Island, United States | 28 December 1719 Cranston, Rhode Island, United States | Moses Lippitt (1645-1702) |