Huntley’s Connection to the Iroquois Theater Fire  In a small, unremarkable grave in St. Mary Cemetery in Huntley, a tragic story is buried. It is the tale of 18-year-old Mary Donahue, the granddaughter of early Huntley settler Daniel Donahue and Huntley resident Bridget Heelan. Over the Christmas holidays in 1903 Mary and a girlfriend arranged to attend a performance of the musical Mr. Blue Beard at the newly-opened Iroquois Theater in Chicago. The December 30 matinee hosted a sold-out crowd,…