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Bonnie Repinski Missing Person Case

Last seen in Town of Menasha, Wisconsin on Aug 12, 1975

Victim Details

Apr 30, 2019

Dec 15, 2022

Bonnie

Repinski

84

33

66 inches

120 lbs

White / Caucasian

Female

Aug 12, 1975

Town of Menasha

Wisconsin

Winnebago County

Unknown

50286

Winnebago County Sheriff's Office

Oshkosh

Wisconsin

Winnebago County

54901

Kyle Schroeder

Detective

4311 Jackson Street, Wisconsin

9207272888

County

Law Enforcement

8752762

Winnebago County Sheriff's Office

na

Brown

Brown

Brown

Oct 11, 2026


Area Last Seen:

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What happened to Bonnie Repinski? She disappeared 50 ...

Case Description

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Summary based on the NamUs case record (MP57021) and 11 other sources
Bonnie Marie Repinski, 33 years old at the time, was last seen on August 12, 1975, in the Town of Menasha, Wisconsin. Bonnie had recently separated from her husband and was staying with her sister while going through a divorce. On the day she disappeared, her estranged husband, David Repinski, had offered to take her out to celebrate her birthday and discuss their ongoing divorce. They visited several taverns in the Neenah and Oshkosh areas before heading back to her sister’s home.

According to David, they got into an argument during the drive home, and Bonnie asked to be let out of the car near the intersection of U.S. 41 and State Route 150. He last saw her walking in the direction of her residence, and she has not been seen since. Bonnie left behind three children and all of her personal belongings. Despite thorough investigations, no trace of her has ever been found, and authorities suspect foul play in her disappearance.

Over the years, the case has remained unsolved, and investigators believe Bonnie may have been a victim of homicide. Advances in DNA technology and new witness information have given authorities hope that the case may still be solved after nearly 50 years. Law enforcement continues to actively seek any leads that might provide answers to what happened to Bonnie.

If you have any information, you are encouraged to contact the Winnebago County Sheriff's Office.
Last Seen: Aug 12, 1975

Links to Additional Sources (11)

See any mistakes? Let us know!
  • Bonnie Repinski - Wisconsin Missing Persons Advocacy Inc's
  • Winnebago County investigators revisit nearly 50-year-old cold case ...
  • Bonnie Repinski's husband said he dropped her off on the side of a ...
  • Winnebago County detectives seek fresh leads in 1975 cold case
  • Bonnie Marie... - Wisconsin Missing Persons Advocacy
  • Bonnie Marie Repinski has been missing for 50 years today. She ...
  • 4948DFWI - Bonnie Marie Repinski - Doe Network
  • Bonnie Marie Repinski, 33, Menasha, August 12, 1975 | Websleuths
  • Bonnie Marie Repinski has been missing since 8/12/1975 from ...
  • What happened to Bonnie Repinski? She disappeared 50 ...
  • What happened to Bonnie Repinski? She disappeared 50 years ago.

    • Possible Unidentified Matches (1)

    Unidentified remains cases whose details are consistent with this person, ranked by how closely they compare. Fields that are unknown in either case are left out of the score.

    75%Possible
    Jane Doe — Chicago, Illinois
    UP124375 • Found Apr 9, 1989
    View case
    Sex ✓Female
    Age 100%Est. 45–50 vs 33 when missing
    Race 100%White
    Location 62%166 mi away
    TimingFound 14 years after last seen
    Height 100%5'5" vs 5'6"
    Weight 95%135 lb vs 120 lb
    Hair 100%Brown vs Brown
    Eyes 60%Hazel vs Brown

    These comparisons are generated automatically from public NamUs case data and are not confirmed identifications. Only DNA, dental or fingerprint comparison by investigators can confirm an identity. If you believe two cases are connected, contact the agency handling the unidentified case.

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    Forum Posts (3)

    I came across Bonnie Repinski's case while digging through old unsolved mysteries, and something... ...Read More
    04/27/2024
    I keep thinking about how Bonnie's case has all these little details that just seem odd. Did anyone... ...Read More
    10/01/2023
    Has anyone ever looked into the specific bars David and Bonnie visited that night? It seems like... ...Read More
    09/21/2023

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