Corpses were piled 10 high around the doors and windows . Many patrons had clambered over piles of bodies only to succumb themselves to the flames , smoke , and gases . It is estimated that 575 people were killed on the day of the fire ; at least 30 more died of injuries over the following weeks . ( The Great Chicago Fire , by comparison , claimed the lives of approximately 300 people . ) Many of the Chicago victims were buried in Montrose , Forest Home , Calvary , Saint Boniface , Oak Woods , Rosehill and Graceland cemeteries
Great Chicago Fire
Great Chicago Fire
Iroquois Theatre fire