When Angus Quenell was born on 26 August 1887, in Crystal, Pembina, North Dakota, United States, his father, Nelson Quenell, was 24 and his mother, Mary McLean, was 27. He married Ethel Mary Hauskins on 1 June 1919, in Sacramento, Sacramento, California, United States. They were the parents of at least 1 daughter. He lived in Franklin, Sacramento, California, United States in 1900 and Lee Judicial Township, Sacramento, California, United States in 1940. He died on 21 October 1974, in Galt, Sacramento, California, United States, at the age of 87.