Catherine Study Forney was born 17 March 1821 in Richland County, Ohio, United States to John Study (1791-1843) and Barbara Benner (1792-1873) and died 28 April 1919 Thurman, Fremont County, Iowa, United States of unspecified causes. She married George Forney (1820-1880) 26 July 1840 in Hancock County, Illinois, United States.
Children
| Name | Birth | Death | Joined with |
| Margaret Emma Forney (1841-1916) | |||
| John Forney (1843-1843) | |||
| Henry Forney (1844-1844) | |||
| Samuel Forney (1845-1845) | |||
| George Washington Forney (1846-1929) | |||
| Mary Ann Forney (1848-1927) | |||
| William Leonard Forney (1851-1937) | |||
| David Aaron Forney (1853-1932) | |||
| Sarah Elizabeth Forney (1856-1923) | |||
| Jacob Forney (1857-1862) | |||
| Frank Forney (1861-1929) | 22 December 1861 Dutch Hollow, Fremont County, Iowa, United States | 18 November 1929 Thurman, Fremont County, Iowa, United States | Mary Elizabeth Ettleman (1865-1890) |
Siblings
| Name | Birth | Death | Joined with |
| Samuel Study (1821-) | |||
| Catherine Study (1821-1919) | 17 March 1821 Richland County, Ohio, United States | 28 April 1919 Thurman, Fremont County, Iowa, United States | George Forney (1820-1880) |
| Elizabeth Study (1824-1906) | |||
| John Study (1825-) | |||
| David study (1826-1902) | |||
| Christopher Study (1827-) | |||
| Leonard Study (1829-1916) | |||
| Daniel Study (1830-) | |||
| Mary Ann Study (1835-1927) | |||