Tulsa, Ok. – LK McCullough, 75, of Collinsville, Oklahoma, passed away on Friday, August 12, 2022 after a sudden and brief battle with complications from heart disease. Born in Collinsville to Leonard Karr McCullough and Marguerite Viola McCullough, LK was a curious, smart and rambunctious boy. He was a loyal protector from the start and dedicated his life to his strong work ethic and his family.