Memorialized in partnership with Anderson Stevenson Wilke Funeral Home & Crematory - Helena
Read Peter's Obituary
One of Helena's great characters, Peter William Sullivan, passed away on November 14, 2025, surrounded by family. Peter was born in 1935 in the kitchen of the family ranch in the Canton Valley, an area that was later flooded to create Canyon Ferry Lake. The second of five children, Peter and his...
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