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Case Description
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Catherine Lynne Sjoberg, a 17-year-old from Sullivan, Wisconsin, was last seen in the early morning hours of June 5, 1974. She attended her Oconomowoc High School prom, which took place at the Concord House dance hall in Concord, Wisconsin. After a heated argument with her boyfriend around 3:00 a.m., Catherine stepped outside to get some fresh air but never returned. Despite her plans to stay at a friend's house that night, her mother didn't realize she was missing until the following day.
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Last Seen: Jun 05, 1974
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Last Seen: Jun 05, 1974
Links to Additional Sources (11)
See any mistakes?Victim Details
Mar 31, 2010
Sep 12, 2022
Catherine
Sjoberg
67
17
65 inches
115 lbs
125 lbs
White / Caucasian
Female
Jun 05, 1974
Sullivan
Wisconsin
Jefferson County
53178
164
26342
Jefferson County Sheriff's Office
Jefferson
Wisconsin
,
74-1659
1974-06-06
Jefferson County Sheriff's Office
Brown
Green
Green
11/23/2025
Area Last Seen:







