David Jay Grantier Obituary
We are sad to announce that, on May 20, 2026 we had to say goodbye to David Jay Grantier of Winnett, Montana. Leave a sympathy message to the family in the guestbook on this memorial page of David Jay Grantier to show support.
He was loved and cherished by many people including: his parents, Larry Grantier and Marlene Grantier; his wife Becky of Winnett; his daughter Sami Routzahn (Zach); his grandchildren, Nolan and MacKenzie Routzahn of Helena; his siblings, Larry Gene (ReNae) of Belgrade, Deb Olson (Hank) of Lewistown and Lori Murnion (Rex) of Roy; his sisters-in-law, Linda Johnson (Bill), Barb Oldfield (Barney), Pat Weimer and Rose Metz; and his grandparents, Clint, Mary Grantier, Walter and Mildred Christianson. He was also cherished by many nieces and nephews.
In Lieu of flowers, memorials can be made in Dave's name to the Petroleum County Ambulance, Winnett Volunteer Fire Dept or the charity of your choice.
