O'Brien's Column, Derreen. Inscription on O'Brien's Column in Derreen, Liscannor. Inscription reads: 'This testimonial has been erected by public subscription to Cornelius O'Brien Esq're, the representative of this county in parliament for more than 20 years. As a lasting record of his public conduct and private worth, in admiration of the energy and success that characterized his many labours, to promote the prosperity of his country and the happiness and comfort of his people and as a tribute to his warmhearted liberality and forethought in providing for the accommodation of strangers visiting the magnificent scenery of this neighbourhood. Signed on behalf of the committee, Colman O'Loghlen Bart, Chairman. 14 October 1853. Mich'l McNamara, Sec.