When Laura Linda Foster was born on 21 April 1875, in Salt Lake City, Salt Lake, Utah, United States, her father, William Henry Foster, was 42 and her mother, Eunice Frances Neslen, was 36. She married Morris Calvin Phelps on 4 July 1919, in Salt Lake, Utah, United States. She lived in Salt Lake City Ward 4, Salt Lake City, Salt Lake, Utah, United States in 1910 and Alma, Maricopa, Arizona, United States in 1920. She died on 5 November 1928, in Mesa, Maricopa, Arizona, United States, at the age of 53.