Margaret or Margery Parker Pratt was born circa 1650 in Saybrook, Middlesex County, Connecticut to William Parker (1611-1677) and Margaret Pritchard (1620-1680) and died 1681 Saybrook, Middlesex County, Connecticut of unspecified causes. She married Joseph Pratt (1648-1703) 1671 in Deep River, Middlesex County, Connecticut.
Children
| Name | Birth | Death | Joined with |
| Joseph Pratt (1672-1740) | |||
| William Pratt (1674-1720) | 1674 Saybrook, Middlesex County, Connecticut | 1720 Connecticut | Hannah Hough (1680-1757) |
| Sarah Pratt (1676-1741) | 1676 Saybrook, Middlesex County, Connecticut | 1741 Norwich, New London County, Connecticut | Thomas Sluman (1674-1742) |
| Experience Pratt (1678-1726) | |||
| Margaret Pratt (1680-1720) | |||
Siblings
| Name | Birth | Death | Joined with |
| Sarah Parker (1637-1726) | 29 October 1637 Hartford, Hartford County, Connecticut | 14 September 1726 Lyme, New London County, Connecticut | Joseph Peck (1641-1718) |
| Joseph Parker (1641-1641) | |||
| John Parker (1642-1706) | |||
| Ruth Parker (1643-) | |||
| William Parker (1645-1725) | |||
| Margaret Parker (1650-1681) | 1650 Saybrook, Middlesex County, Connecticut | 1681 Saybrook, Middlesex County, Connecticut | Joseph Pratt (1648-1703) |
| Jonathan Parker (1652-1683) | |||
| David Parker (1655-1723) | |||
| Deborah Parker (1657-1723) | |||