When John George Anderson was born on 12 February 1875, in Göteborg, Göteborg och Bohus, Sweden, his father, Sven August Anderson Sr., was 28 and his mother, Margaret Abrahamson Persson, was 23. He married Emma Augusta Lundberg on 7 June 1897. They were the parents of at least 1 son. He lived in Murray, Salt Lake, Utah, United States in 1920 and Salt Lake City Ward 2, Salt Lake City, Salt Lake, Utah, United States in 1940. He died on 20 March 1948, in Salt Lake City, Salt Lake, Utah, United States, at the age of 73, and was buried in Farmington City Cemetery, Farmington, Davis, Utah, United States.