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 participated in six matches for the IFA XI. These included two Victory internationals played in early 1946. On February 2nd at Windsor Park, he made his debut for the IFA XI in a 3-2 loss to Scotland at Windsor Park.