 The name of the city in Irish is "Doire Colmcille" and is derived from the native oak trees in the area and the city's association with Colmcille.The Catholic Church of Saint Colmcille's Long Tower, and the Church of Ireland St Augustine's Church both claim to stand at the spot of this original settlement.The Church of Ireland Cathedral, St Columb's Cathedral, and the largest park in the city, St. Columb's Park, are named in his honour.