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Missoula - Mary Catherine Dugan Williamson, affectionately known as "Bunny," passed away peacefully on July 31, 2025, with her husband at her side. Mom was born on September 24, 1938, in Philadelphia, PA, to Michael J.A. Dugan and Mary McNulty Dugan.
Mom and Dad, (Dennis Brad Williamson) met in Great Falls, MT and on December 7, 1963 they were married in Cheyenne, WY where Mom’s parents were residing at the time. They settled in Whitefish, MT and their home grew to hold five daughters.
Mom's career in nursing was marked by dedication and caring. She began her career in Great Falls, MT and continued at North Valley Hospital in Whitefish, MT for 30 years.
When Mom & Dad retired, they traveled around the United States taking it all in and making friends along the way. They settled down once again, this time in Missoula, MT near two of their girls.
Mom leaves behind her loving husband Brad, their daughters, Windy (Craig) Petersen of Missoula, MT, Dena Voshell of Buckley, WA, Denise Davidson of Columbia Falls, MT, Jennifer Williamson of Missoula, MT, Kathleen (Robb) Howell of Medford, OR. Mom is survived by grandchildren Nicole, Jessica and Cody (Windy & Craig), Heather, Tonja and Tad (Dena), Derik and Jonah (Denise), Emma (Jennifer), Blake, Ian, Bruner and Nick (Kathleen and Robb). There are nine greats and one on the way in October. In June Mom became a great-great grandmother. She also leaves behind her niece and nephew of Alaska, Megan McBride and Sean McBride.
Mom was preceded in death by her parents, her sister, Michelle McBride, grandchildren Kole Swartz, Ann Petersen and great grandchildren, Khloe Petersen and Levi Pimm.
A celebration of Mom's life will begin at Blessed Trinity Catholic Community with a viewing on August 6th, Wednesday evening at 6:00 p.m. Her Mass of Christian Burial will be celebrated on Thursday at 11:00 a.m., August 7th . A luncheon will be provided after mass. A graveside service will be held on Friday, August 8th at Glacier Memorial Gardens in Kalispel, MT.
She will be dearly missed but fondly remembered, her spirit forever cherished. Mom's life was a testament to kindness and love and strength. Her warmth, humor and smile left a lasting impression on everyone she met. Condolences and memories may be shared with the family at www.whitesittfuneralhome.com.
To send flowers to the family or plant a tree in memory of Mary Catherine "Bunny" (Dugan) Williamson, please visit our floral store.