St Doulagh's Church (Irish: Clochar Dúiligh) is one of two churches in the "United Parishes of Malahide, Portmarnock and St Doulagh's" in Fingal, Ireland. It is the oldest stone-roofed church still in use in Ireland. The church is situated approximately 10 kilometres from Dublin city, just north of the hamlet of Balgriffin.
Latitude: 53° 24' 31.79" N
Longitude: -6° 10' 25.20" W