Jul
19
Celebration of Life
Sunday, July 19
2:00 PM
-5:00 PM
Gallatin Gateway Community Center
Memorialized in partnership with Dahl Funeral & Cremation Service
Read Helen's Obituary
Helen Theresa Reiser was born on September 14, 1936, in Bozeman, Montana, to Laurence and Helen (Pattee) Gaffney. Theresa passed away on March 14, 2026, in Manhattan, Montana. She was raised on the family ranch near Middle Creek in the Gallatin Valley. Theresa attended Monforton School and...
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