Clackamas resident, Mark Andrew Nelson, died on January 4, 2023, in Clackamas, Oregon. He was 72 years old. A Celebration of Life will be held February 11, 2023, at 1 pm in the Estacada Assembly of God church 478 NW Wade St, Estacada, OR 97023. A reception will follow at the church. Mark Nelson was born on December 23, 1950 in Portland, Oregon, to Donald and Mary (Warford) Nelson. He graduated from Parkrose High School in 1969, and went on to marry Judy Branan on December 18, 1971. They recently celebrated 51 years together. Mark started his career at Kaiser Sunnyside, supervising environmental services, and driving a school bus. He worked at Kaiser Permanente Supervising Environmental services, before getting a job at the Department of Environmental Quality until his retirement in 2015. Mark Enjoyed driving and working on cars, and his favorite past time was going elk and deer hunting with his family and friends. He spent his free time volunteering and coaching his sons in various sports throughout their childhood, Survivors include his wife, Judy (Branan); sons Shawn, and Matt (Traci); sister, Kathy (Doug), brother Mike; grandchildren Austin, Micaela, Max, and Alex; great-grandchildren Jayme, and Griseo; and many nieces, nephews, and cousins.