Between 1946 and 1950, Aherne also made 6 appearances for the IFA XI. These include two Victory internationals played in early 1946. On 2 February at Windsor Park he made his debut for the IFA XI in a 3–2 defeat to Scotland at Windsor Park.
Between 1946 and 1950, Aherne played six games for the IFA XI, including two Victory internationals in early 1946. On February 2nd, 1946, he made his debut for the IFA XI against Scotland at Windsor Park, resulting in a 3-2 loss.