Dennis was born on August 23rd, 1945 in Anacortes, Washington to Glenn Dimmick and Reva Burke-Dimmick. He was raised in various areas of Washington, Oregon, and Arizona. Dennis graduated from Olympia High School in 1963. From 1963 until 1969, Dennis was a Sergeant in the United States Air Force. While in the service, he married Patsy Bean in Junction City, Oregon on June 12, 1965. They had four children; Robert of Huntingtown, Maryland, Pam (Brady) of Oregon City, Oregon, Glenda (Jones) and, Theresa (Rund) both of Sandy, Oregon. They lived throughout the Pacific Northwest. Dennis worked as a computer programmer before retiring to Arizona in 1993. They moved back to Oregon in June of 2015. Dennis enjoyed camping, fishing, and spending time with his family. He attended the Assembly of God Church. Dennis is survived by his wife Patsy, 4 children, 14 grandchildren, and 5 great grandchildren. Contributions can be made to Legacy Hospice. A private Celebration of Life will be held at later date.