Polly Clark Forbush was born 19 January 1789 in Royalston, Worcester County, Massachusetts to Benjamin Clark (1749-1815) and Mehitable Edson (1753-1846) and died 22 August 1851 Fort Union, Salt Lake City, Salt Lake County, Utah of unspecified causes. She married Rufus Forbush (1788-1875) 5 November 1812 in Royalston, Worcester County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Hiram Forbush (1812-1897) | |||
| Jonathan Forbush (1813-1864) | |||
| Polly Forbush (1814-1897) | |||
| Elmedia Forbush (1816-1817) | |||
| Rufus Francis Forbush (1818-1901) | |||
| Susana Forbush (1820-1855) | |||
| Sanford Forbush (1822-1896) | |||
| Lurana Forbush (1826-1884) | |||
| Loren Forbush (1827-c1865) | 28 August 1827 Underhill, Chittenden County, Vermont | Emily Wright Brigham (1826-) | |
| Lydia Forbush (1830-1900) | |||
Siblings