Dennis Earl McKenzie, age 77 of Rochester, MN passed away peacefully at his home on Tuesday, April 16, 2019 after a seven-year battle with Alzheimers. Dennis was born September 13, 1941 in Charles City, Iowa the son of Earl and Lucille (Maulsby) McKenzie. He graduated Charles City High School in 1959. He worked for White Motor Company and Sears in Iowa and New Ulm prior to moving to Rochester in the early 80's. He met Terri Madsen in 1982 in Rochester and they were married September 17, 1983 at Zumbro Lutheran Church. Dennis continued his sales career in Rochester working for Vikings Oldsmobile, Tom's Pontiac and Kinselle Auto. He also sold freight and dispatched for Wilson Refrigeration retiring at the age of 62. Dennis loved biking the trails, music, computers and working in the yard. He enjoyed his dogs, especially Milo "his bud" who had been by his side throughout his diagnosis. He was a member of Trinity Lutheran Church in Rochester and former member of the Elks. Dennis is survived by his wife, Terri McKenzie of Rochester, MN; three children, Jeff (Deb) McKenzie of Clayton, CA, Denise (Craig) Huffmann of Randlett, UT, Andy McKenzie of Cross Plaines, WI; six grandchildren, Michael (Deborah) McKenzie, Heather (Jared) Theiss, Ian Huffmann, Evan Huffmann, Liam McKenzie, and Millie McKenzie; four great grandchildren, Leah and Elise Theiss, Gabriel and Scarlett McKenzie; brother, Gib (Cathy) McKenzie of Menasha, WI; sister, Bonnie (Dan) Nicholson of Charles City, IA; brothers-in-law and sisters-in-law, Vicki (Bret) Engelhard, David (Diane) Madsen, Beth Madsen, Steve Madsen, and Tami (Bill) Madsen; niece, Cassie Madsen; nephew, Caleb Madsen; many more neices and nephews; and special friend and second daughter, LaRae Johanns. Dennis was preceded in death by his parents; parents-in-law, Dale and Adele Madsen; brother-in-law, Mike Madsen and his beloved dog, Milo. Denny's last wish was to donate his organs to Mayo Clinic Alzheimers research in hopes of finding a cure. A special thanks goes to Visiting Angels and Season's Hospice for the wonderful care of Denny these past few months. Also, a special thanks goes to all of Denny and Terri's friends, neighbors and family - too many to name for all their love, support and acts of kindness these past few years. You are all Angels! Also, Terri wishes to thank her work family/friends on DO2D Saint Marys for all their love and support as she traveled the Alzheimers journey with Denny these past 7 years A Celebration of Dennis' life will be held Saturday, April 27, 2019 at 10:30 a.m.at Ranfranz and Vine Funeral Homes, 5421 Royal Place NW, Rochester. Visitation will be held 4:00 pm to 8:00 pm on Friday, April 26, 2019 and one hour prior to the service at the funeral home. To share a special memory or condolence, please visit www.ranfranzandvinefh.com. Memorials are preferred to the Alzheimers Association or the American Cancer Society.