Dennis Joseph O'Halloran, a 59-year-old male of Irish ethnicity from Prosper, Texas, passed away on April 6, 2017. He was born on May 6, 1957, in Chicago, Illinois, to Joseph and Eileen O'Halloran. Dennis was a veteran, a devout Catholic, and worked as a pilot for AT&T. He is survived by his two daughters, Katie and Kelly O'Halloran, and his siblings Mary, Philomena, Eileen, and Brian O'Halloran.
The circumstances surrounding Dennis O'Halloran's death were determined to be an apparent mu
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