 Muldoon was born in St. Marys , Ontario , as Linton Muldoon Treacy . He played hockey in the OHA in the 1900s before moving to the Pacific coast in order to pursue a boxing career . He changed his name to Pete Muldoon because the pursuit of a professional sports career was discouraged in Ontario at the time . Muldoon won regional titles in both the middleweight and light heavyweight divisions while boxing . 
