Donald Eugene Geist, Sr. was born on July 14, 1943, in Brush, Colorado to Conrad and Elizabeth (Blum) Geist. He passed away peacefully on January 16, 2025.

He grew up attending school in the local area and spent many hours working alongside his family on their farm. Their farm was located near the river, a place where he loved to hunt and fish as a young boy.

He married Maxine Yearous on August 15, 1962, in Fort Morgan and to this union, two sons were born, Donald Jr. and Robert.

Don worked for many years for Morgan County where he operated heavy equipment before he retired in 2006. In his free time, he enjoyed gardening, fishing, and taking trips to the mountains with his beloved wife. He was especially fond of family camping trips in the Flat Top Wilderness near Yampa, Colorado.

He was preceded in death by his wife, Maxine, parents, Elizabeth and Conrad Geist, brothers, Alex, Edward, and John Geist, sisters Dorothy Klauser and Lydia Fulk, and half-brother Reuben Blum.

He is survived by son Donald Geist and wife Shelby, son Robert Geist and wife Terri, granddaughter Kelly Lindner and husband Mitch, granddaughter Ashley Clayton and husband Justin, grandson Trevor Geist and wife Danielle, granddaughter Tori Geist and husband Henry, granddaughter Britt Smith and husband Brett, grandson A.J. Geist and wife Chesa, and granddaughter Miranda Foss and husband Darin. He is also survived by 16 great-grandchildren, Jordan, Cooper, and Reese Lindner, Levi and Reid Clayton, Bryson and Gunner Geist, Austin Najera and Henry Ramirez, Taylynn and Gracie Smith, Kylie, Allen, Benelli, and Eastyn Geist, and Chloe Foss. As well as sisters, Ruth Mock and Bonnie and Barbara Geist and brother Raymond Geist.

His family is grateful for the example of hard work and strength that he displayed throughout his life.

At Don's request, no formal service is planned. He will be interred at Serenity Falls in Riverside Cemetery.