Technician 5th Class Harold C. Ellenburg was born on September 16, 1909. He was the son of Noah Alfred Ellenburg and Martha Ladora Ottinger Ellenburg. He was the brother of Loyd Truman Ellenburg, Elden Bane Ellenburg, Maynard J. Ellenburg, Glen E. Ellenburg, Mavis Irene Ellenburg Contiss, Robert D. Ellenburg, and Helen Ellenburg. At the age of 20, he worked as a carpenter. He married Willie Grace Irwin.
Technician 5th Class enlisted in the military on October 6, 1943 in Fort Oglethorpe, Georgia. He served in the 1056th Engineer Construction and Repair Group. He died on Thursday, February 1, 1945. His death is listed as died non-battle. He is buried in the Netherlands American Cemetery in Margraten (Plot B, Row 3, Grave 9).