Leola Mary Ann Grange Mangum was born 16 November 1901 in Huntington, Emery County, Utah, United States to Ernest James Grange (1870-1937) and Rose Ann Cheshire Ramsay (1878-1962) and died 9 October 1991 Huntington, Emery County, Utah, United States of unspecified causes. She married John Darwin Mangum (1888-1982) 25 July 1925 in Huntington, Emery County, Utah.
Children
| Name | Birth | Death | Joined with |
| Jean Dell Mangum (1923-2013) | |||
| Marjorie Ruth Mangum (1926-2019) | |||
| James Edwin Mangum (1927-2017) | 19 June 1927 Helper, Carbon County, Utah, United States | 14 October 2017 Orem, Utah County, Utah, United States | |
| Jerry Dee Mangum (1933-1999) | 4 March 1933 Huntington, Emery County, Utah, United States | 17 November 1999 Nauvoo, Hancock County, Illinois, United States | Norma Margaret Sorensen (1936-2017) |
| Rose Mary Udell Mangum (1935-2018) | |||
| Clark Menard Mangum (1941-1998) | |||
Siblings