Their opponents , Waterford City , had the advantage of winning the trophy in 1930 .
Opponents failed to be inspired by history on that occasion , St Mary 's running out winners to the delight of opponents ' large following .
Their opponents , Waterford City , had the advantage of winning the trophy in 1930 but they failed to be inspired by history on that occasion , St Mary 's running out winners to the delight of their large following .