William Caleb Hickenlooper was born 24 November 1856 in Salt Lake City, Salt Lake County, Utah to William Haney Hickenlooper (1804-1888) and Sarah Cordelia Ward (1819-1910) and died 10 December 1887 Pleasant View, Weber County, Utah of unspecified causes. He married Susanna Webster Gould (1857-1880) 1878 in Parowan, Iron County, Utah. He married Emily Jane Gould (1860-1943) 26 July 1881 in Parowan, Iron County, Utah.
Children
| Name | Birth | Death | Joined with |
| Thomas Hickenlooper (1880-1880) | |||
| William Henry Hickenlooper (1880-1880) | |||
| Name | Birth | Death | Joined with |
| Charles Hickenlooper (1883-1981) | |||
| Walter Samuel Hickenlooper (1885-1948) | |||
| Ruby Hickenlooper (1887-1890) | |||
Siblings
| Name | Birth | Death | Joined with |
| Harriet Jane Hickenlooper (1830-1894) | |||
| Belinda Hickenlooper (1832-1894) | 4 March 1832 Leechburg, Pennsylvania, Pennsylvania | 22 November 1894 North Ogden, Weber County, Utah | Edward Davis Wade (1825-1880) |
| John Thomas Hickenlooper (1836-1900) | 7 July 1836 Leechburg, Armstrong County, Pennsylvania | 5 March 1900 Ogden, Weber County, Utah | Elvira Martha Fullmer (1839-1915) |
| Name | Birth | Death | Joined with |
| Susanna Caroline Hickenlooper (1853-1855) | |||
| Sarah Cordelia Hickenlooper (1855-1855) | |||
| William Caleb Hickenlooper (1856-1887) | 24 November 1856 Salt Lake City, Salt Lake County, Utah | 10 December 1887 Pleasant View, Weber County, Utah | Susanna Webster Gould (1857-1880) Emily Jane Gould (1860-1943) |
| Rebecca Maria Hickenlooper (1859-1934) | |||