Leila Adair Gates was born 7 February 1897 in Orderville, Kane County, Utah to Jedediah Grant Adair (1859-1937) and Florence Ellen Fowler (1860-1946) and died 14 June 1989 Beloit, Rock County, Wisconsin of unspecified causes. She married Gilbert Marion Gates (1898-1973) 30 September 1920 in St. George, Washington County, Utah.
Children
| Name | Birth | Death | Joined with |
| Crawford Marion Gates (1921) | 29 December [[]] San Francisco, San Francisco County, California | Georgia Lauper (living) | |
Siblings
| Name | Birth | Death | Joined with |
| Jedediah Orson Adair (1877-1941) | |||
| Lavern Ellen Adair (1880-1950) | |||
| Eliza Ann Adair (1881-1957) | |||
| William Henry Adair (1883-1949) | 16 October 1883 Orderville, Kane County, Utah, United States | 3 April 1949 Panguitch, Garfield County, Utah, United States | Esther Ann Snyder (1889-1970) |
| Harriet Emeline Adair (1886-1971) | |||
| Ethel Josephine Adair (1888-1973) | |||
| Mariam Adair (1892-1973) | |||
| Tabitha Adair (1894-1978) | |||
| Leila Adair (1897-1989) | 7 February 1897 Orderville, Kane County, Utah | 14 June 1989 Beloit, Rock County, Wisconsin | Gilbert Marion Gates (1898-1973) |
| Rollo Fowler Adair (1900-1965) | |||
| Name | Birth | Death | Joined with |
| Miriam Jane Adair (1879-1882) | |||
| Florence Luella Adair (1882-1883) | |||
| Charlotte Lillious Adair (1883-1937) | |||
| Ida Estella Adair (1886-1971) | |||
| Mercy Almira Adair (1888-1924) | |||
| Ruhama Victoria Adair (1890-1947) | |||
| William Bailey Adair (1892-1980) | |||
| Hyrum Archie Adair (1895-1968) | |||
| Cassie Lucretia Adair (1898-1922) | |||
| Wilmirth May Adair (1901-1999) | |||
| Myrle Adair (1902-1902) | |||
| Julia Meryl Adair (1904-1904) | |||