18 February – Devon Commission reports to the British government on the poor living conditions of the Irish population: "in many districts their only food is the potato".[1][2]
September–December – African American abolitionist Frederick Douglass makes a speaking tour of Ireland.
^"The Census of 1841". A Short History of Ireland. BBC. Retrieved 2012-08-05.
^"The Devon Commission". The Irish Problem and How to Solve It: An historical and critical review of the legislation and events that have led to Irish difficulties. London: Ward, Lock & Co. 1881. ISBN 978-0-543-90762-2. Retrieved 2012-08-05.
^"Phytophthora infestans". A Short History of Ireland. BBC. Retrieved 2012-08-05.
^Palmer, Alan; Palmer, Veronica (1992). The Chronology of British History. London: Century Ltd. pp. 267–268. ISBN 0-7126-5616-2.