21-year-old Courtney Oneill of Bloomingdale was killed in a single vehicle accident on Friday night. Oneill was driving a Jeep Northbound on County Road 39 when she lost control of the vehicle and went off the side of the road, striking an embankment and a utility pole. Oneill was not wearing a seatbelt at the time of the crash and was ejected from the vehicle. Alcohol is believed to have been a factor in the crash.