Olivia Maria Holladay Smithson was born 5 June 1828 in Sulligent, Lamar County, Alabama, United States to Daniel William Holladay (1805-1866) and Susan Maria Suggs (1805-1834) and died 16 June 1893 Salt Lake City, Salt Lake County, Utah, United States of unspecified causes. She married Marion Pinkney Smithson (1817-1912) 1842 in Monroe County, Mississippi.
Children
| Name | Birth | Death | Joined with |
| Frances Smithson (1846-) | |||
| Sarah Elizabeth Smithson (1849-1888) | 20 February 1849 Marion, Perry County, Alabama, United States | 30 August 1888 Beaver, Beaver County, Utah, United States | Ezekiel Cunningham Mathews (1835-1896) |
| Hariet Smithson (1850-) | |||
| Mary Ann Smithson (1852-1929) | |||
| Mary Smithson (1856-) | |||
| Susanah Smithson (1857-1926) | |||
| Maria Catherine Smithson (1861-1940) | |||
| John Bartlet Smithson (1861-1940) | |||
| Josephine Smithson (1862-1937) | |||
| Daniel William Smithson (1866-1930) | |||
| Lola Algean Smithson (1870-1935) | |||
| Minnie Smithson (1873-1959) | |||
| Charles Smithson (1874-) | |||
Siblings
| Name | Birth | Death | Joined with |
| Olivia Maria Holladay (1828-1893) | 5 June 1828 Sulligent, Lamar County, Alabama, United States | 16 June 1893 Salt Lake City, Salt Lake County, Utah, United States | Marion Pinkney Smithson (1817-1912) |
| Name | Birth | Death | Joined with |
| John Jack Holladay (1836-1902) | 14 March 1836 Sulligent, Lamar County, Alabama, United States | 16 May 1902 Sulligent, Lamar County, Alabama, United States | Catherine Johnson (1840-1861) Martha Agnes Wren (1845-1902) |