Olga Severina McQuinn, 81, was last seen April 13, 1989, at her home in Rowland Heights, California. She had dementia and a nervous condition and was known to become easily disoriented. On the day she disappeared she was wearing slacks and brown dress shoes and wore eyeglasses.

Olga was described as petite, 5 feet 0 inches and about 100 pounds, with gray hair and brown eyes. Her case is classified as endangered missing because of her medical conditions. Despite searches, she has never been found and no significant leads have surfaced; investigators have kept the case open.

If anyone remembers seeing Olga around Rowland Heights in April 1989 or has any information that could help, please contact the Los Angeles County Sheriff’s Department.