When Dr Martha Maria Hughes was born on 1 July 1857, in Llandudno, Caernarfonshire, Wales, her father, Peter Hughes, was 32 and her mother, Elizabeth Evans, was 24. She married Angus Munn Cannon on 6 October 1884, in Salt Lake City, Salt Lake, Utah, United States. They were the parents of at least 1 son and 2 daughters. She lived in Salt Lake, Utah, United States for about 10 years and Brighton, Salt Lake, Utah, United States in 1920. She died on 10 July 1932, in Eagle Rock, Los Angeles, Los Angeles, California, United States, at the age of 75, and was buried in Salt Lake City Cemetery, Salt Lake City, Salt Lake, Utah, United States.