High Quality Content by WIKIPEDIA articles! Sacred Heart Cathedral is a Roman Catholic cathedral in Bathurst, New Brunswick, Canada. The parish was founded in 1881. It became a cathedral in 1938 when the Diocese of Chatham was moved to Bathurst. The stained glass windows were produced by J. P. O'Shea Co. of Montreal. A cathedral (French cathédrale from Lat. cathedra, "seat" from the Greek kathedra ( ), seat, bench, from kata "down" + hedra seat, base, chair) is a Christian church that contains the seat of a bishop.