St Patrick's Cathedral, Dublin
Saint Patrick's Cathedral () in Dublin, Ireland, founded in 1191, is the National Cathedral of the Church of Ireland. With its spire, St. Patrick's is the tallest church (not Cathedral) in Ireland and the largest. Christ Church Cathedral, also a Church of Ireland cathedral in Dublin, is designated as the local Cathedral of the diocese of Dublin and Glendalough.
St Patrick's Cathedral, Killala
The Cathedral Church of St Patrick is one of Ireland’s smallest cathedrals and consists of a long rectangular four-bay gable-ended nave (32 m x 10 m) with a square tower and spire at the west end and a gable-ended vestry at the north end. A staircase leads to a gallery in the nave. The nave is fitted with boxed pews and a rare Telford organ dating from 1838.