Sii qor faqradan - Treacy wuxuu dhigan jiray dugsiga hoose dhexe ee St Anne's ee Cappoquin, County Waterford, Ireland, oo uu subax walba u lugeeyo in ka badan todobo mayl si uu u tago dugsiga. Wuxuu ka qalin jabiyay Providence College ee dalka Mareykanka. 1978 iyo 1979
wuxuu ku guuleystay IAAF World Cross Country Championships Glasgow, Scotland iyo Limerick, Ireland siday u kala horreeyaan.