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Mary Sylvestre

What happened to Mary Jean Sylvestre?

  • Last updated: January 24, 2024
  • Palmer, AK
  • September 11, 1977

Overview of Mary Sylvestre

Mary Jean Sylvestre was last seen on September 11, 1977 while on a hunting trip in the area of Granite Creek in Palmer, AK. According to reports, while crossing a river on horseback, Mary fell off her horse and was swept away by the creek's current. She has not been seen or heard from since.


  1. Date Missing:September 11, 1977
  2. Age at Incident:37
  3. NAMUS Number:MP11012
  4. Race:Native American / Indigenous
  5. Gender:Female
  6. Height:5'5"-6'3"
  7. Weight:160-180 lbs
  8. Hair Color:Black
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