George Washington Thatcher was born 1 February 1840 in Springfield, Sangamon County, Illinois to Hezekiah Thatcher (1809-1879) and Alena Kitchen (1808-1889) and died 23 December 1902 Logan, Cache County, Utah of unspecified causes. He married Luna Caroline Young (1842-1922) 4 April 1861 in Salt Lake City, Salt Lake County, Utah. He married Fanny Decker Young (1849-1892) March 1867 in Salt Lake City, Salt Lake County, Utah.
Children
| Name | Birth | Death | Joined with |
| Virginia Mary Thatcher (1862-1886) | |||
| Nellie May Thatcher (1864-1941) | |||
| George Washington Thatcher (1866-1950) | |||
| Nettie Thatcher (1868-1938) | |||
| Brigham Guy Thatcher (1870-1939) | |||
| Kathryn Thatcher (1873-1923) | |||
| Luna Angel Thatcher (1875-1953) | |||
| Constance Thatcher (1880-1905) | |||
| Phylis Thatcher (1883-1961) | |||
| Name | Birth | Death | Joined with |
| Lutie Thatcher (1868-1945) | |||
| Frank Washington Thatcher (1878-1961) | |||
| Feramorz Young Thatcher (1882-1882) | |||
| Lawrence Young Thatcher (1885-1944) | |||
Siblings
| Name | Birth | Death | Joined with |
| Joseph Wycoff Thatcher (1829-1881) | |||
| Abraham Thatcher (1830-1830) | |||
| Catherine Mary Thatcher (1831-1856) | |||
| Mary Ellen Thatcher (1833-1836) | |||
| John Bethewel Thatcher (1834-1917) | |||
| Aaron Dunham Thatcher (1837-1909) | |||
| Harriett Ann Thatcher (1838-1920) | |||
| George Washington Thatcher (1840-1902) | 1 February 1840 Springfield, Sangamon County, Illinois | 23 December 1902 Logan, Cache County, Utah | Luna Caroline Young (1842-1922) Fanny Decker Young (1849-1892) |
| Moses Thatcher (1842-1909) | 2 February 1842 Springfield, Sangamon County, Illinois, United States | 21 August 1909 Logan, Cache County, Utah, United States | Celestia Ann Farr (1845-1921) Lydia Ann Clayton (1852-1909) Georgina Snow (1862-1929) |
| Sarah Elizabeth Thatcher (1843-1843) | |||
| Hyrum Smith Thatcher (1844-1852) | |||
| Elizabeth Thatcher (1846-1850) | |||
| Hezekiah Thatcher (1847-1847) | |||
| Virgina Eliza Thatcher (1851-1851) | |||
| Name | Birth | Death | Joined with |
| Evangeline Thatcher (1870-1870) | |||
| Ada Thatcher (1870-1870) | |||
| Samuel Baugh Thatcher (1872-1941) | |||
| Wilford Woodruff Thatcher (1874-1875) | |||
| Orson Pratt Thatcher (1876-1968) | |||