Mr. Mark J. Grim, 63, of Waynesboro, PA passed away Tuesday, November 3, 2026, at Mercy House, Chambersburg, PA.
Born July 28, 1963 in Hagerstown, MD, he was the son of the late Charlotte (Vanmeter) Ridenour.
Mark worked for over 25 years with NVR, Inc. He worked for 18 years in the marketing department and for the last 7 years he was an administrative assistant.
He enjoyed traveling, running, biking, attending the theatre, playing bocce ball and especially spending time with his dogs, Jack and Willow.
Mark is survived by two children; two brothers, his twin Mike Grim of Martinsburg, WV and Willie Ridenour of Chambersburg; one sister, Donna Turner; and two step-sisters, Patti Goble and Barbara Luther, both of Hagerstown.
In addition to his mother, he was preceded in death by his step-father, William D. Ridenour, II and one brother, Doug Grim.
The family will receive friends from 1:00 P.M. until 3:00 P.M., Saturday, November 7, 2026, in Grove-Bowersox Funeral Home, 50 S. Broad St., Waynesboro, PA.
Religious services and burial will be private at the convenience of the family.
In lieu of flowers, memorial contributions may be made to: Antietam Humane Society, 8513 Lyons Road, Waynesboro, PA 17268.