When Edward Owen Thomas was born on 25 February 1882, in Wales, Sanpete, Utah, United States, his father, David Evans Thomas, was 31 and his mother, Elizabeth Owen, was 24. He married Hager Dugdale Birch on 20 December 1904, in Carbon, Utah, United States. They were the parents of at least 3 sons and 5 daughters. He lived in Spanish Fork Ward 4, Utah, Utah, United States in 1910. He died on 5 September 1952, in Salt Lake City, Salt Lake, Utah, United States, at the age of 70, and was buried in Salt Lake City Cemetery, Salt Lake City, Salt Lake, Utah, United States.