When Adelaide Matilda Cornish was born on 4 August 1898, in Elizabeth, Union, New Jersey, United States, her father, John Lieb, was 23 and her mother, Mary Boll, was 22. She married Raymond Cornish in 1914, in New Jersey, United States. They were the parents of at least 1 son and 1 daughter. She lived in Huntington, Suffolk, New York, United States in 1930. She died on 14 June 1988, in Sarasota, Florida, United States, at the age of 89.