When Eugene Conrad Adam was born on 1 June 1898, in Boerne, Kendall, Texas, United States, his father, Julius Conrad Adam, was 34 and his mother, Ida Haufler, was 26. He married Thelma V Carney on 23 September 1919, in Bexar, Texas, United States. He lived in Justice Precinct 1, Kendall, Texas, United States in 1900. He died on 2 July 1966, in San Antonio, Bexar, Texas, United States, at the age of 68.