The person at the center of this case
Jennifer Marie Gilleland
Missing Person · Open
10 years waiting · since 2016
Missing Person: Jennifer Marie Gilleland
Justice for Jennifer Marie Gilleland — the trail went cold in 2016, but the truth hasn't.
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Key leads to think about
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timeline
Lead #1Why is there a one-year gap between the last family phone call in March 2015 and the last known contact in March 2016?
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person
Lead #2What was Jennifer's living situation and social connections in Snohomish County at the time of disappearance?
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evidence
Lead #3Has there been any activity on her bank accounts, credit cards, or identification since March 10, 2016?
Jennifer Marie Gilleland, a 29-year-old white female, was last contacted on March 10, 2016 at 3:23 p.m. in Snohomish County, Washington. She had relocated to the Pacific Northwest in 2009 and was living in Monroe, WA when she disappeared, with no subsequent social media activity or sightings reported. Despite over a decade passing, investigators continue seeking information about her whereabouts and circumstances of her disappearance.
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More leads to consider
Beyond the top three above — each detail below could be the thread that pulls this case open.
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witness
Lead #4Who had contact with Jennifer on March 10, 2016, and what were the circumstances of that interaction?
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Official wording
Source Narrative
NamUs case MP145935. Missing person: Jennifer Marie Gilleland.
Last known contact: 2016-03-10 in Everett, Snohomish, WA. Circumstances: Jennifer is originally from Ohio and moved to Oregon in 2009 to live with her mother.
They moved to Monroe, WA together around 2012 before her mother moved to Wyoming in late 2014 while Jennifer stayed behind in Snohomish County, WA. The last time family had contact with Jenifer was via a phone call in mid-March of 2015.
The last known contact anyone had with Jennifer was in Snohomish County, WA on March 10, 2016 at 3:23 p.m. There has been no other contact with Jennifer since then, nor have there been any social media posts made by her or persons who have either seen or heard from her.
Demographics: 29 years, Female, White / Caucasian. Physical description: 5 ft 3 in, 110 lbs, hair: Brown, eyes: Green.
Investigating agency: Monroe Police Department | 2025-6245 | 2025-04-16.
Timeline of Events
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2015-03-10
Last Family Contact
Last phone call from Jennifer to family members
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2016-03-10
Last Known Contact
Last known contact with Jennifer at 3:23 p.m. in Snohomish County, WA
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:March 10, 2015
Last Updated:September 9, 2026
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Phone: 3607946300
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Case Information
Incident:March 10, 2015
Last Updated:September 9, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 3607946300
You can remain anonymous