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Case Description
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Julia Ann O'Neill was 31 years old when she was last seen in Lake Geneva, Wisconsin on June 18, 1997. She has not been seen or heard from since. At the time of her disappearance, O'Neill was described as a Caucasian female with brown hair and green eyes, standing at 5'8" to 5'9" tall and weighing around 135 pounds. A notable characteristic is a five-inch scar on both sides of her right knee.

The circumstances surrounding O'Neill's disappearance are not entirely clear, with law enforceme ...Read More
Last Seen: Jun 18, 1997
Victim Details

Jan 28, 2026

Jan 28, 2026

Julia

Ann O’neill

31

31

5'8 - 5'9 inches

135 lbs

White

Female

Jun 18, 1997

Lake Geneva

Wisconsin

Lake Geneva

New Berlin Police Departmen

262-782-6640

01/28/2026