When Eugene John Thoene was born on 27 September 1909, in Hartington, Cedar, Nebraska, United States, his father, Frederick Thoene, was 26 and his mother, Maria Catharina Franziska Leise, was 25. He lived in Precinct 5 Election Precinct, Cedar, Nebraska, United States in 1910 and Omaha, Douglas, Nebraska, United States in 1930. He died on 9 May 1987, in San Francisco, San Francisco, California, United States, at the age of 77, and was buried in Holy Cross Catholic Cemetery, Colma, San Mateo, California, United States.