Donald B. Graham, 71, of North Huntingdon died Sunday January 17, 2021 at his home. He was born October 5, 1949, in North Huntingdon a son of the late Jesse and Alice (McFarlane) Graham. Prior to his retirement Don was employed as a mechanical designer for Irwin Car and Equipment. Don was a combat Army veteran of the Vietnam War 199th Light Infantry Brigade. He was a social member of the Shafton Fire Company, member the VFW post 781, of Irwin and the American Legion post 359, of Irwin. Don enjoyed golfing with his brother and close friends; he liked to Kayak and enjoyed biking. In addition to his parents, he is preceded in death by a brother Dennis Graham. Surviving are three children Heather Graham, of Dallas, PA, Elizabeth Venturino, of Cheswick, and Donald B Graham Jr and his wife Jessica of Darragh; four grandchildren Jesse Berlew, Evelyn and Leo Venturino and Donald B. Graham III; Don is also survived by his girlfriend Deborah Gaab and her children Nicole Gaab, Carly Bolby and Michael Gaab; a brother Gary Graham and his wife, Claudia, of North Huntingdon and several nieces and nephews. Friends will be received 2 to 4 and 6 to 8 p.m. Wednesday at the Ott Funeral Home Inc 805 Pennsylvania Avenue Irwin. A funeral service will be held 10 a.m. Thursday in the funeral home chapel. Interment will follow in the Irwin Union Cemetery, North Huntingdon. In lieu of flowers please consider making a donation to Westmoreland Yough Trail Chapter, West Newton Station, PO Box 95, West Newton, PA 15089.