Holbrook, Mack L., age 69, of Grove City, Ohio passed away on May 8, 2024. He was born on November 28, 1954 in Columbus, Ohio to the late Paul and Gladys (Tippie) Holbrook. Mack joins in death his parents and sister Paula Perkins. He leaves behind his children Christopher (Alexandra Tony) R. Holbrook and Sarah R. Holbrook and her fiancé Adam Kay. Also surviving is brother Russ Holbrook. Mack loved everything about Ireland including especially Guiness beer and was extremely happy that he was able to visit and take in all the sites. He also liked to camp, hike, hunt, fish and be in the outdoors. Mack was a former marathon runner and earned several marathon medals from the Columbus Marathon. He was also very happy to spend time with his family and loved ones. There will be a celebration of Life service for Mack at a later date. In lieu of flowers memorial donations may be made in Mack’s name to St. Jude Children’s Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105.