Peter Cooper, a pioneer of this county, died at his home northeast of this city of Cheyenne, OK with stomach and bowell trouble. He has many friends among the old timers, who are bereaved because of his death.
Cheyenne Star, July 8, 1915
{Assume he is interred in unmarked grave in Cheyenne Cemetery. There is this additional interment: Joseph C. COOPER, Born 1869 and died 1913, Son of Peter and Elizabeth}