William John Busby was born 31 March 1833 in Temple Patrick, Antrim, Ireland to Andrew Montgomery Busby (1801-1844) and Eleanor Robinson (1804-1888) and died 23 December 1912 Salt Lake City, Salt Lake County, Utah, United States of unspecified causes. He married Harriett Emma Killian (1839-1892) 28 August 1857 in Salt Lake City, Salt Lake County, Utah.
Children
| Name | Birth | Death | Joined with |
| John Killian Busby (1858-1900) | |||
| Andrew Edward Busby (1859-1929) | |||
| Ellen Matilda Busby (1860-1946) | |||
| Mary Emma Busby (1862-1939) | |||
| Lucy Alice Busby (1864-1944) | |||
| Lettia Busby (1867-1867) | |||
| Margaret Busby (1868-) | |||
| George Samuel Busby (1874-1947) | |||
| Martha Jane Busby (1876-1956) | |||
| Lettia Busby (1886-) | |||
| Lillian Busby (1888-) | |||
| Name | Birth | Death | Joined with |
| James Charles Busby (1892-1971) | |||
Siblings