Oliver Pratt was born 4 December 1711 in Needham, Norfolk County, Massachusetts to Henry Pratt (1685-1750) and Hannah Fuller (1693-1767) and died 27 May 1763 Newton, Norfolk County, Massachusetts of unspecified causes.
Children
| Offspring of Oliver Pratt and Sarah Willard (1711-1789) | |||
| Name | Birth | Death | Joined with |
| Olive Pratt (1735-1779) | |||
| Sarah Pratt (1735-) | |||
| Ephraim Pratt (1736-1756) | |||
| Sybil Pratt (1742-) | |||
| Jeremiah Pratt (1743-1826) | |||
| Henry Pratt (1746-1801) | |||
| Noah Pratt (1748-1806) | 5 March 1748 Massachusetts | 1806 | Hanna Stearns (1746-) |
| Nathan Pratt (1750-) | |||
| Mercy Pratt (1752-1822) | |||
