Evaline Stewart was born September 22, 1882 to Helen and Archibald Stewart on the Las Vegas Ranch located Las Vegas, Nevada. She was known to her family as Eva, and she was educated on the ranch until 1897, when she was sent to California with her other younger siblings to further their education. She returned to Nevada after her education and married Clarence Archibald Stay in 1917. She had four children, Clarence Jr., Francis, Evaline LaVega, and Clinton. Evaline Stewart Stay died on August 1, 1947 in Las Vegas.

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Helen Jane Wiser Stewart was born in 1854 in Springfield, Illinois. When she was nine years old, the family moved to Nevada, and then to Sacramento, California in 1863. Helen was educated in Sacramento and in 1873 she married Archibald Stewart in Stockton, California.