(Wilsonville, OR) -- A 64-year-old Wilsonville woman with cognitive issues has been missing more than a week. Kathryn Gerke went missing after taking a walk. She's white, five-feet seven-inches tall, 150 pounds, with blue eyes and short gray hair. She was wearing a black or dark blue zip-up hooded sweatshirt. The Clackamas County Sheriff's Office conducted a search. Anyone with information should contact the Wilsonville Police department.