Dennis Williamson Obituary
The memory of Dennis Williamson of Missoula, Montana, who passed away on February 9, 2026 at the age of 88, will forever remain in the hearts of those touched by this precious presence in their lives. Leave a sympathy message to the family on the memorial page of Dennis Williamson to pay them a last tribute.
He was predeceased by: his parents, Norval Williamson and Leoan Loftus Williamson; his significant other Mary Dugan Williamson (Bunny); his grandchildren, Kole Swartz and Ann Petersen; and his great grandchildren, Khloe Petersen, Levi Pimm and Max Petersen.
He is survived by: his daughters, Windy Petersen (Craig) of Missoula, MT, Denise Davidson of Columbia Falls, MT and Kathleen Howell (Robb) of Medford, OR.; and his grandchildren, Nicole, Jessica, Cody (Windy), Heather, Tonja, Tad (Dena), Derik, Jonah (Denise), Emma (Jennifer), Blake, Ian, Nick and Bruner (Kathleen).
