Paul “Dennis” Hess, 81, of Drain, Oregon passed away April 11, 2021. Dennis was born October 14, 1939 in Marshfield, Oregon to parents Paul and Sarah (Griffis) Hess. He moved to Drain, Oregon in the 7th grade and graduated from Drain Union High School in 1957. Dennis went on to earn his Master’s at the University of Oregon in Geology. He married Sharon A. Olson September 15, 1961 at the Drain Methodist Church. He worked for Shell Oil in New Orleans and Denver. He also worked in Denver for an Independent oil company BWAB Exploration. Dennis owned his own business HMX Petroleum Exploration and finished his career at Savant Resources retiring in 2015. Dennis enjoyed fishing in Oregon, Colorado, Montana, and Nevada. He especially loved bird watching with his wife Sharon in the last 6 years at the Malheur National Wildlife Refuge. He belonged to the Rocky Mt. Association of Geologists, and American Association of Petroleum Geologists. Dennis is survived by his wife of 59 ½ years Sharon Hess; son Matthew O. (Angelina Southcott) Hess of Golden, CO; brother Carl Richard “Dick” Hess of Yoncalla, OR; sister Roberta Heaton of Boise, ID; and sister Kathy Hess of Cottage Grove, OR. Dennis is preceded in death by his son Ricky Ronald Hess; sister JoAnne and Linda Hess; and stepbrother William Giovanini. A visitation will be held Saturday, April 17, 2021 from 5:00 PM-7:00 PM at Smith-Lund-Mills Funeral Chapel, Cottage Grove, OR. A funeral service will be held Sunday, April 18, 2021 at 2:00 PM at the Church of Christ in Drain, OR. Interment at Drains City Cemetery, Drain, OR. In Lieu of flowers the family askes that donations be made to the Rick Hess Endowment for Adolescents and Young Adults at 123 International Way., Springfield, OR 97477, www.peacehealth.org/sacredheartfoundation or to a charity of your choice.