Mackenzie Kopecky Obituary

With heavy hearts, we announce the death of Mackenzie Kopecky of Miller, South Dakota, who passed away on October 16, 2025 at the age of 20. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.

She was loved and cherished by many people including: her parents, Brad Kopecky and Heather Kopecky (Muth); her pet Milo; her close friend Wyatt; her sisters, Madison (Molli) and Molli; her grandparents, Ron, Connie Muth of Wolsey, Deb and Terry Kopecky of Miller; her great-grandparents, Luella Longcor of Huron and Marene Pratt of Miller; her aunts and uncles, Andi, Arlen Ferguson of Wolsey, Rhonda, Mike Hasart of Huron, Steph and Nick Wranek of Tea; her great-grandparents, Martin, Darlene Muth, Arlo Longcor, Donald Pratt, Lamont and Betty Kopecky; and her cousins, Kaiti LaVoy and Ryan Ryckman. She was also cherished by her dad racing and both grandfathers having raced, as well as uncles and cousins.

In lieu of flowers, monetary donations are appreciated to help defray costs.