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Gerrold Maniaci Missing Person Case

Last seen in Phillipsville, California on Jun 3, 1990

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Victim Details

Oct 7, 2021

Jan 9, 2024

Gerrold

Maniaci

66

30

67 inches

135 lbs

White / Caucasian

Male

Jun 3, 1990

Phillipsville

California

Humboldt County

No

107927

Humboldt County Sheriff's Office

Eureka

California

Humboldt County

95501

Scott Hicks

Sheriff's Investigator

826 4th Street, California

7074457251

County

Law Enforcement

https://humboldtgov.org/187/Sheriffs-Office

199005189

Humboldt County Sheriff's Office

6691

Brown

Brown

Brown

Sep 29, 2026


Area Last Seen:

Case Description

Any updates on this case? Let us know!
Summary based on the NamUs case record (MP85058) and 2 other sources
Gerrold Robin Maniaci, age 30, was last seen on June 3, 1990, in Phillipsville, Humboldt County, California. A resident of nearby Garberville, Maniaci disappeared under mysterious circumstances, and a relative reported him missing on July 23, nearly two months later. Despite investigations, very little information is available about the details surrounding his disappearance.

No significant leads have emerged over the years, and his whereabouts remain unknown. Maniaci's case is classified as missing, and authorities continue to seek any information that may help solve the case. His physical description includes brown hair, though further details about his height and weight are not well documented.

Anyone with information is encouraged to contact the Humboldt County Sheriff's Office as they continue to investigate this longstanding case.
Last Seen: Jun 3, 1990

Links to Additional Sources (2)

See any mistakes? Let us know!
  • Unsolved Cases | Humboldt County, CA - Official Website
  • Gerrold Robin Maniaci Sr. - The Charley Project

    • Possible Unidentified Matches (7)

    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.

    79%Possible
    John Doe — Calexico, California
    UP15316 • Found Jun 10, 1996
    View case
    Sex ✓Male
    Age 100%Est. 20–30 vs 30 when missing
    Race 100%White
    Location 75%Same state
    TimingFound 6 years after last seen
    Height 100%5'6" vs 5'7"
    Weight 83%160 lb vs 135 lb
    Hair 60%Black vs Brown
    Eyes 100%Brown vs Brown
    77%Possible
    John Doe — Burlingame, California
    UP9898 • Found Oct 5, 1995
    View case
    Sex ✓Male
    Age 100%Est. 33–46 vs 30 when missing
    Race 100%White
    Location 55%198 mi away, same state
    TimingFound 5 years after last seen
    Height 100%5'7" vs 5'7"
    Weight 100%142 lb vs 135 lb
    Hair 100%Brown vs Brown
    Eyes 100%Brown vs Brown
    76%Possible
    John Doe — Guerneville, California
    UP79380 • Found Jul 18, 1995
    View case
    Sex ✓Male
    Age 100%Est. 25–35 vs 30 when missing
    Race 100%White
    Location 70%125 mi away, same state
    TimingFound 5 years after last seen
    Height 100%5'5"–5'9" vs 5'7"
    Hair 100%Brown vs Brown
    75%Possible
    John Doe — Laytonville, California
    UP79682 • Found Apr 14, 2000
    View case
    Sex ✓Male
    Age 100%Est. 30–45 vs 30 when missing
    Race 100%White
    Location 92%39 mi away, same state
    TimingFound 10 years after last seen
    Height 68%5'10"–6'0" vs 5'7"
    75%Possible
    John Doe — California - unidentified case UP17689
    John Doe — California
    UP17689 • Found May 10, 1998
    View case
    Sex ✓Male
    Age 100%Est. 20–30 vs 30 when missing
    Race 100%White
    Location 64%157 mi away, same state
    TimingFound 8 years after last seen
    Height 84%5'9" vs 5'7"
    Weight 67%170 lb vs 135 lb
    Hair 100%Brown vs Brown
    Eyes 100%Brown vs Brown
    75%Possible
    John Doe — Tiburon, California
    UP7084 • Found Aug 20, 1999
    View case
    Sex ✓Male
    Age 100%Est. 28–40 vs 30 when missing
    Race 100%White
    Location 60%176 mi away, same state
    TimingFound 9 years after last seen
    Height 100%5'6" vs 5'7"
    Weight 100%130 lb vs 135 lb
    Hair 100%Brown vs Brown
    75%Possible
    John Doe — Sacramento, California
    UP2373 • Found Sep 7, 1994
    View case
    Sex ✓Male
    Age 85%Est. 20–40 vs 30 when missing
    Race 100%White
    Location 62%163 mi away, same state
    TimingFound 4 years after last seen
    Height 100%5'8" vs 5'7"
    Weight 98%120 lb vs 135 lb
    Hair 100%Brown 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.

    Unidentified photos are blurred because many are post-mortem. Tap a photo to reveal it.

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    Forum Posts (1)

    Gerrold Robin Maniaci, 30, was last seen on June 3, 1990, in Phillipsville, Humboldt County... ...Read More
    03/26/2023

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