He was born July 2, 1947 in Waynesburg, the son of the late Charles W. Eisiminger and Agnes Joanna Cowell Eisiminger.
He was a 1965 graduate of Waynesburg High School.
He worked in the meat department at Foodland in Waynesburg until enlisting in the U. S. Army. He served in the Army for two years and was stationed in Germany.
Harold apprenticed as a heavy equipment mechanic and operator and mechanic with C.J. Langenfelder, working on railroad construction. He went on to work as an operator for S.J. Groves during the construction of Interstate 79. He retired from Emerald Mine in Waynesburg, where he worked as a heavy equipment mechanic.
He attended the Mt. Pleasant United Methodist Church in Waynesburg and was a member of the Fairall United Methodist Church. He was also a member of Waynesburg Lodge No. 153 Free and Accepted Masons in Waynesburg.
Harold enjoyed farming, blacksmithing, and welding. He was a Civil War buff. He also liked to hunt, fish, and spend time at his cabin with his beloved dogs, Patch and Cinder, by his side.
Surviving are a son, Brian Eisiminger of Waynesburg; and a daughter Betsy Hawfield and her husband Tim of Waynesburg; two granddaughters, Camryn and Haley Hawfield; and many cousins.