When Margaret Arthur was born on 1 July 1893, in North Carolina, United States, her father, George Stevenson Arthur, was 32 and her mother, Isabella Jessie Henrie, was 23. She married Robert Gladstone Groome on 7 October 1925, in Gilmer, Burke, North Carolina, United States. She lived in Asheville, Buncombe, North Carolina, United States in 1910 and Sumner Township, Guilford, North Carolina, United States for about 10 years. She died on 14 December 1983, in High Point, Guilford, North Carolina, United States, at the age of 90.