When David Ireland Findlay was born on 28 August 1864, in Woods Cross, Davis, Utah, United States, his father, Allan McPherson Findlay, was 34 and his mother, Jessie Ireland, was 36. He married Mary Elizabeth Wedge on 27 August 1890, in Lincoln, Nevada, United States. They were the parents of at least 3 sons and 4 daughters. He lived in Utah Territory, United States in 1870 and Bennett Springs, Lincoln, Nevada, United States in 1900. He died on 4 September 1929, in Panaca, Lincoln, Nevada, United States, at the age of 65, and was buried in Panaca, Lincoln, Nevada, United States.