Details of Disappearance Sullivan was last seen in Butte, Montana on November 25, 1992, the day before her thirty-sixth birthday. She had completed an an alcohol treatment program at the Galen campus of Montana State Hospital a week earlier, and was living with her younger sister in Missoula, Montana and trying to find a job.
On November 25, Sullivan, her sister and her sister's boyfriend went to Butte to celebrate Thanksgiving with Sullivan's mother. When they arrived at the house, the other two went inside while Sullivan remained in the car. A few minutes later, her sister went out to check on her, but Sullivan was gone.
Investigators determined that Sullivan went to Muzz and Stan's Bar in southwest Butte after leaving her mother's home. She asked a man to give her a ride uptown and he dropped her off at Harrington's Bar. She was seen alone inside the bar, and then later left with an unidentified man. She has never been heard from again.
Sullivan is one of seven children; she and her twin sister were the oldest two in the family. She left behind two daughters. In spite of her alcohol abuse problem, it's uncharacteristic of her to leave without warning, and her mother fears she is dead. Sullivan had worked as a cook at various Butte-area restaurants before she went missing. The circumstances of her disappearance are unclear.
- Butte/Silver Bow County Sheriff's Office
Updated 3 times since October 12, 2004. Last updated February 27, 2018; picture added, details of disappearance updated.