Mezue ahịrịokwu na-esonụ: Treacy gụrụ akwụkwọ na St Anne's Post-Primary School na Cappoquin, County Waterford, Ireland, na-agba ihe karịrị kilomita asaa ịga ụlọ akwụkwọ kwa ụtụtụ. Ọ gụsịrị akwụkwọ na Providence College na United States. N'afọ 1978 na
N'afọ 1979, o meriri n'asọmpi mba ụwa nke IAAF na Glasgow, Scotland na Limerick, Ireland.