When George Benard Kopp was born on 1 August 1921, in American Falls, Power, Idaho, United States, his father, Bernhard George Kopp, was 27 and his mother, Wilhelmine Alvina Rohde, was 22. He married Martha Marie Hofmeister on 4 November 1942, in American Falls, Power, Idaho, United States. They were the parents of at least 2 daughters. He lived in Rockland, Power, Idaho, United States in 1930 and American Falls Election Precinct 2, Power, Idaho, United States in 1940. He died on 23 December 2003, in American Falls, Power, Idaho, United States, at the age of 82, and was buried in American Falls, Power, Idaho, United States.