The principal street in the centre of Dublin, previously called Sackville Street, was renamed O'Connell Street in his honour in the early 20th century after the Irish Free State came into being.
Den största gatan i centrala Dublin, som tidigare hette Sackville Street, döptes om till O'Connell Street till hans ära i början av 1900-talet efter att Irländska fristaten upprättats.