Authorities in Montana are still searching for Lillya Josephine Adamson, who has been missing since March 24, 2023, after last being seen in Billings. The Yellowstone County Sheriff’s Office continues to seek the public’s help in locating her.
Lillya was a teenager when she disappeared more than three years ago. She would now be 19 years old. Her case remains active with the National Center for Missing & Exploited Children (NCMEC), listed under case number 2095770.
What We Know About the Case
Lillya Josephine Adamson was last seen in Billings, Montana, located in Yellowstone County. She has been missing since March 24, 2023.
Her case is officially recorded in the National Crime Information Center database under NCIC# M857280401. Investigators and family members continue to hope for new information that could help bring her home.
Physical Description and Identifying Details
Lillya is described as female. One identifying feature noted in her case file is that her septum is pierced.
Anyone who has seen her, or who recognizes her from recent sightings, is asked to look closely at this detail when trying to identify her.
The Search Continues
More than three years after her disappearance, the search for Lillya has not stopped. Cases like hers often depend on tips from the public, and even small pieces of information can make a difference.
The Yellowstone County Sheriff’s Office (MT) is the lead agency handling the investigation. Officials continue to encourage anyone with knowledge of her whereabouts to come forward.
Authorities in Montana are still searching for Lillya Josephine Adamson, who has been missing since March 24, 2023, after last being seen in Billings. The Yellowstone County Sheriff…@FrencHMonTanA @missingpersons @mtyellowstone https://t.co/Sa73iVvumM
— US News (@Us_news_ways) August 10, 2026
How to Submit a Tip
If you have any information about Lillya Josephine Adamson, please contact authorities right away.
- Call 911 if you have immediate information or believe you have seen her.
- Contact the Yellowstone County Sheriff’s Office (MT) at (406) 657-8200.
- Reference NCMEC case number 2095770 when you reach out.
Every tip counts. If you recognize Lillya or have seen someone matching her description, do not hesitate to contact the authorities listed above. Your call could be the one that helps bring her home.
