Loughgall suffered derby defeat on Saturday with a single-goal reverse against Armagh City.
The high stakes resulted in reduced quality and, ultimately, set-piece success left the hosts out on top against Brian Adair’s Loughgall side.
Stephen Murray, the former St Mary’s striker, grabbed the decisive goal in NIFL Championship One.
Stephen O’Neill forced the City goalkeeper into an early stop and Daniel Burns’ half-volley hit off the rebound lacked direction.
Gareth Buchanan proved sharp between the Loughgall posts, with Marcus Dallas and Ricky Copeland each left frustrated as the Villagers struggled to turn possession into an end product.
Loughgall had Nathaniel Ferris on target in Friday’s MUFL Reserve Championship defeat by Armagh City on a 4-1 tally.
The weekend Mid-Ulster Football League programme featured two teams from the area in Intermediate Cup play.
Tandragee Rovers lost out to Malachians by 4-1 - with AJ Gallagher the scorer - and Bourneview Mill finished 1-0 down against Derriaghy CC.
The Ambassadors’ Ivan Marshall Shield fourth-round date with Clanyre Athletic has been rescheduled for Saturday, January 3 in Portadown.