The placename itself offers a quiet clue: "grange" derives from the Latin grangia, referring to an outlying farm or storage facility belonging to a monastery, and townlands carrying the name are frequently found in areas that once fell within the economic reach of a religious house. A church in such a location would not be unusual for medieval Ireland, where monastic communities often established subsidiary sites across their landholdings, but without further documentation the specifics of this particular structure remain elusive.