in 1973–74, marian entered the inaugural national league with the men's a team in division one and the men's b team in division two. after finishing runners-up behind killester for three straight years between 1975 and 1977, marian were crowned champions of the national league in 1978 after defeating st. vincent's dublin in the final. 1978 also saw marian compete in the federation cup for british and irish teams.