Mabel Knutson Trooien died on March 3, 1980 in San Francisco County, California. Born in South Dakota on July 25, 1886, she lived to be 93 years, 7 months, 7 days old.
Her father's last name was Knutson, and mother's maiden name was Aslakson.
Her Social Security Number was 558-66-9637.
