Annah Whitney Forbush was born 8 March 1730 in Westborough, Worcester County, Massachusetts to Nathaniel Whitney (1695-1776) and Mary Child (1699-1776) . She married David Forbush (1721-1787) 3 February 1748 in Upton, Worcester County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Anna Forbush (1750-1847) | |||
| John Forbush (1751-1757) | |||
| David Forbush (1754-1826) | 18 April 1754 Grafton, Worcester County, Massachusetts | 27 December 1826 Royalston, Worcester County, Massachusetts | Deliverance Goodell (1755-1815) |
| Jacob Forbush (1756-1756) | |||
| Abigail Forbush (1757-) | |||
| Lois Forbush (1759-1855) | |||
| Jonathan Forbush (1762-1793) | |||
| Jamima Forbush (1764-) | |||
| Jeremiah Forbush (1764-) | |||
| Silas Forbush (1766-1840) | |||
| Joel Forbush (1768-1776) | |||
| Ruth Forbush (1770-1774) | |||
| Beulah Forbush (1773-1819) | |||
| Mary Forbush (1776-1845) | |||
Siblings
| Name | Birth | Death | Joined with |
| Ephraim Whitney (1722-1797) | |||
| Oliver Whitney (1724-1804) | 1 December 1724 Westborough, Worcester County, Massachusetts | 18 May 1804 Upton, Worcester County, Massachusetts | Dorcas Forbush (1727-1811) |
| Mary Whitney (1727-) | |||
| Nathaniel Whitney (1728-1776) | |||
| Annah Whitney (1730-) | 8 March 1730 Westborough, Worcester County, Massachusetts | David Forbush (1721-1787) | |
| Amos Whitney (1732-) | |||
| Lucy Whitney (1734-1799) | |||
| Love Whitney (1736-) | |||
| Lois Whitney (1739-) | |||
| Eli Whitney (1740-1807) | 3 May 1740 Westborough, Worcester County, Massachusetts, United States | 12 August 1807 Westborough, Worcester County, Massachusetts, United States | Elizabeth Fay (1740-1777) Judith Morse (1737-c1826) |