
The person at the center of this case
Jennifer Marie Gilleland
Justice for Jennifer Marie Gilleland — the trail went cold in 2016, but the truth hasn't.
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Why is there a one-year gap between the last family phone call in March 2015 and the last known contact in March 2016? What was Jennifer doing during that period?
Who had contact with Jennifer on March 10, 2016 at 3:23 p.m.? What were the circumstances of that interaction?
Why did Jennifer remain in Snohomish County after her mother relocated to Wyoming in late 2014? Who was she living with or in contact with?
Jennifer Marie Gilleland, a 29-year-old woman, disappeared from Snohomish County, Washington on March 10, 2016, with her last known contact occurring at 3:23 p.m. that day. Since her disappearance, there has been no communication from Jennifer—no phone calls, social media activity, or confirmed sightings—despite family efforts to locate her. The circumstances of her disappearance remain unclear, and investigators are seeking information from anyone who may have seen or heard from Jennifer since March 2016.
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Beyond the top three above — each detail below could be the thread that pulls this case open.
Has there been any activity on Jennifer's bank accounts, credit cards, or phone since March 10, 2016?
Even the smallest detail could be the key to solving this case.
Official wording
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.
Last phone call from Jennifer to family members
Last confirmed contact with Jennifer at 3:23 p.m. in Snohomish County, WA
Any information, no matter how small, could be crucial to solving this case.
Any information, no matter how small, could be crucial to solving this case.