St. Audoen's Church, Dublin (Church of Ireland) St. Audoen's Church, Dublin (Church of Ireland) St Audoen's Church () is the church of the parish of Saint Audoen in the Church of Ireland, located south of the River Liffey at Cornmarket in Dublin, Ireland. This was close to the centre of the medieval city. The parish is in the Diocese of Dublin and Glendalough. St Audoen's is the oldest parish church in Dublin and still used as such. There is a Roman Catholic church of the same name adjacent to it. The church is named after St Ouen (or Audoen) of Rouen (Normandy), a saint who lived in
Christianity in Ireland Dublin: within the walls of the old city is Christ Church Cathedral, the seat of the Archbishop of Dublin, and just outside the old walls is St. Patrick's Cathedral, which the church designated as a National Cathedral for Ireland in 1870. Cathedrals also exist in the other dioceses. The church operates a library and seminary, the Church of Ireland Theological College, in Rathgar, in the south inner suburbs of Dublin. The church's central offices are in Rathmines, adjacent to the Church of Ireland College of Education. The Church in 1999 voted to prohibit the flying of flags other than the