Close to the heart of Kilmallock town lies the ruins of Kilmallock Collegiate Church and Graveyard, dedicated to St. Peter and St. Paul. It is located in the townland of Deebert, in the parish of Kilmallock/Ballingaddy, in the Barony of Connello Upper. The ruins are located on the south bank of the Loobagh River, on Orr’s St., north of the town’s main street.
The graveyard which surrounds the church is sub-rectangular in shape and measures 63m N-S x 78m E-W. It is enclosed by a post-1700 stone wall.