During the 2022–23 season, he was scoreless in five regular season games for the London Knights.[1] During the 2023–24 season, in his first full season with the team, he recorded 20 goals and 36 assists in 68 regular season games. He ranked third among OHL freshmen in scoring. During the playoffs he recorded five goals and seven assists in 16 games, and helped lead the Knights to the J. Ross Robertson Cup.[2][3][4] Following the season he was named to the OHL Second All-Rookie team.[5]
On June 28, 2024, O'Reilly was drafted 32nd overall by the Edmonton Oilers in the 2024 NHL entry draft.[6][7] Following the draft, O'Reilly took part in the Oilers Development Camp and also later, their main training camp before being returned to the Knights for the 2024–25 season. On October 21, 2024, O'Reilly signed a three-year entry-level contract with the Oilers.[8]
Personal life
O'Reilly's nickname is "Peanut", due to his peanut allergy.[9]