Marshall Ray McGraw

Marshall Ray McGraw, 78, of Dewey, passed away Sunday, February 8, 2026, in Dewey. Marshall was born September 9, 1947, in Spartanburg, South Carolina, to Ray and Willie Lee (Thomas) McGraw. He graduated from Spartanburg High School in 1965. He earned an associate’s degree in information technology from South Carolina Technical College in Spartanburg in 1970 and did further studies in business at Furman University in Greenville, S.C. As a teenager, he worked at the local grocery store Community Cash. In addition to Spartanburg, Marshall had also lived in Puerto Rico; Dallas, Texas; Lexington, Kentucky; and lastly in Bartlesville/Dewey, Oklahoma. Marshall married the love of his life, Tana Hammett, on December 8, 1965. They shared 60 years of loving marriage. Marshall began his career with Phillips Petroleum Company in 1968 at Phillips Fibers in Greenville, South Carolina, as a programmer in the chemicals group. He then served as a manager of information services, first in 1973 to Fibers International in Guayama, Puerto Rico, in 1975 to Driscopipe in Dallas, and in 1976 to Phillips Products Company in Lexington, Kentucky. In 1980, he moved to Bartlesville, Oklahoma, and joined the ITS group where he held various positions, most recently, manager of telecommunications beginning in 1995, and manager of IT architecture and strategy in 1997. In 1999 he served as information technology services business services manager for Phillips. When he retired in 2005, he was manager of global facilities management for ConocoPhillips. He and his wife Tana raised horses and would show them at the fairgrounds and events. He enjoyed the great outdoors and loved fishing, especially in Alaska, Canada, Copan and other area lakes. Marshall was a strong advocate for the United Way and was a very giving person. He was on the Children’s Musical Theater Board and he and his wife Tana donated financially to that great organization. Marshall and his wife Tana also started a scholarship to Rogers State University for Dewey High School for students who had not had any previous family member go to college. Marshall was on the RSU Board. Marshall is survived by his loving wife Tana McGraw; two children, Tracy Morrison and husband Rob, and Marlo Dillsaver; sister, Linda Rhyne; sister-in-law, Jean McGraw; six grandchildren, Abbey Carver and husband Chase, Jarrett Dillsaver, Emma Dillsaver, Bella Morrison, Ben Dillsaver, and Alex Morrison; two great-grandchildren, Clarke and Cass. He is preceded in death by his parents, Ray and Willie McGraw; and a brother, Stan McGraw. Marshall’s family will receive friends from 6-8 p.m. Thursday at Davis Family Funeral Home – Dewey Chapel, 113 S. Osage Ave., Dewey, OK 74029, 918-534-3030. Come and go visitation will also be held from 10-8 that same day. Funeral services will be held at 2 p.m. Friday, February 13, 2026, at Davis Family Funeral Home – Dewey Chapel with Pastor Mark Wright officiating. Arrangements are under the direction of Carter Davis and Davis Family Funeral Home – Dewey Chapel. Online condolences and memories may be shared at www.DavisFamilyFuneralHome.com.

Marshall Ray McGraw

September 9, 1947 - February 8, 2026