 Blaney's honours while at St. Colman's included helping the school win three MacRory Cups (1978, 1979 and 1981).In 1978 they went on to reach the Hogan Cup final, but they were beaten by St. Jarlath's College, Tuam.In 1949, St. Colman's were captained by Greg's father Sean Blaney, who also captained them to success in 1950 - a feat only equalled by Dermot McNicholl (1983 and 1984).