Sarah Ellen Allen Mangum was born 30 September 1844 in Sydney, New South Wales, Australie to Richard George Allen (1811-1891) and Esther Elizabeth Hayes (1814-1854) and died 18 June 1934 Salt Lake City, Salt Lake County, Utah, United States of unspecified causes. She married Cyrus Franklin Mangum (1840-1896) 8 November 1861 in Santa Clara, Washington County, Utah.
Children
| Name | Birth | Death | Joined with |
| Edwin Franklin Mangum (1862-1949) | 26 October 1862 San Bernardino, San Bernardino County, California, United States | 24 September 1949 Salt Lake City, Salt Lake County, Utah, United States | Miriam Chase (1865-1901) Melissa Jane Snow (1856-1916) Laura Eliza Guymon (1879-1971) Alice Maud Mary Kendrick (1867-1950) |
| Cyrus William Mangum (1864-1864) | |||
| Richard Allen Mangum (1866-1927) | |||
| Sarah Frances Mangum (1868-1939) | |||
| Annie Adelia Mangum (1870-1951) | |||
| Wallace Mangum (1872-1909) | |||
| Elva Edell Mangum (1876-1877) | |||
| Lorin John Mangum (1879-1881) | |||
| Effie Mangum (1882-1965) | 20 July 1882 Nephi, Juab County, Mississippi, United States | 6 February 1965 Salt Lake City, Salt Lake County, Utah | Zebulon Henry Jacobs (1866-1931) |
Siblings