Kerr claims crucial first goal in victory
St Mary's secured success on the road thanks to second-half goals at Ballymacash Rangers.
Ciaran Rooney’s corner-kick was headed home by Gerard Kerr to break the deadlock.
Ruairi Feeney wrapped up the points with an assured finish.
The Saints handed starting spots to Ryan Creaney, Rafa and Brendan Hagan during a spirited performance on the way to away success.