Gary M. Christensen, age 80, passed away on July 25, 2022 at Serenity Hospice and Home in Oregon. He was born on April 17, 1942 in Dekalb, IL the son of Marvin and Marjorie (Houghtby) Christensen. He graduated from Waterman High School. He married Beverly Kleveland on May 20, 1989 at United Presbyterian Church in Somonauk, IL. Gary was an avid rock collector and member of the Northwest Illinois Rock Club. He could almost always be found outside examining rocks. One big accomplishment for him was accompanying the Burpee Museum and traveling with his son, Ross out west to Montana to hunt for dinosaur bones. He enjoyed farming and raising sheep. In his spare time; he enjoyed doing puzzles, reading, and collecting Snapple caps. He was a former member of the Ogle County Beef Producers and DeKalb County Lamb and Wool Producers. Gary was a people person who loved to talk and tell stories. He is preceded in death by his parents, Marvin and Marjorie Christensen; his in-laws, Norman and Betty Kleveland; brother-in-law, Ken Kleveland; and sister-in-law, Pat Voyles. He is survived and missed by his wife, Beverly; children, Ross Christensen, Stacey Christensen, Lisa (Ben) Stout, and Scott Christensen; grandchildren, Autumn, Kyler, Kylie, Cassidy, and Caiden; great granddaughter, Adelynn; brothers-in-law, Jim Kleveland and Ron Voyles; sisters-in-law, Donna Kleveland and Jane Kleveland; and several cousins, nieces, nephews, and great nieces and nephews. A memorial service will be held at 4:00 PM on Friday, August 5, 2022 at Farrell Holland Gale Funeral Home, 110 S. 7th Street, Oregon, IL 61061. Visitation will be held from 3:00 PM – 4:00 PM prior to the service. In lieu of flowers memorials are established for Serenity Hospice and Home or The Rock River Senior Center in Oregon.