Biography
Duncan Spears Casper was born 8 December 1824 in Bellville, Richland County, Ohio, United States to William Casper (1784-1846) and Avarilla Durbin (1789-1862) and died 20 May 1898 Holladay, Salt Lake County, Utah, United States of unspecified causes. He married Matilda Allison (1820-1871) 24 May 1845 . He married Elizabeth Ann Clark (1844-1911) 9 September 1872 in Salt Lake City, Salt Lake County, Utah, United States.
Children
| Name | Birth | Death | Joined with |
| Rachel Louisa Casper (1846-1846) | |||
| Amanda Elizabeth Casper (1848-1849) | |||
| Harriet Matilda Casper (1849-1921) | |||
| Rebecca Avarilla Casper (1851-1920) | |||
| Duncan Alonzo Casper (1853-1933) | |||
| Peter William Casper (1857-1936) | |||
| Mary Matilda Casper (1857-1930) | |||
| Cyrene Rosanna Casper (1859-1920) | |||
| Welthia Ann Casper (1862-1924) | |||
| Name | Birth | Death | Joined with |
| David Allison Casper (1873-1893) | |||
| Emily Clark Casper (1875-1925) | |||
| Alice Clark Casper (1877-1877) | |||
| George Harvey Casper (1879-1886) | |||
| Arthur Clark Casper (1881-1936) | |||
| Beatrice Elizabeth Casper (1885-1969) | |||
| Jesse Clark Casper (1888-1960) | |||
Footnotes (including sources)
| ‡ General |
