Nicknamed 'The Bear', O'Reilly enjoyed a fifteen-year Sydney first grade career debuting for Parramatta at aged eighteen in 1967 and returning to the club in 1981 to first taste premiership success. He represented Australia in nine Tests and seven World Cup matches, including the Kangaroos' victory in the 1970 World Cup. He was the first Parramatta junior to represent Australia, having played his junior football with suburban Guildford.[2] O'Reilly is named on the Australian Players Register as Kangaroo No. 450.[3]
A decade after his first representative appearance, O'Reilly was part of Parramatta's first ever premiership-winning team of 1981. He held the record for highest number of first grade games at 284[4] until overtaken by Geoff Gerard.
Accolades
O'Reilly was awarded Life Membership by the Parramatta Club in 1981.[5]
In 2002, a team of the greatest Parramatta players, known as the Parramatta Legends, were selected based on a public vote of fans with O'Reilly being selected at prop. In the same year, O'Reilly was inducted into the Parramatta hall of fame.[6]