30–31 March – Doolough Tragedy: at least 16 die when hundreds of the destitute and starving are forced to make a fatiguing journey on foot to receive outdoor reliefinCounty Mayo.[1]
21 April – Great Famine: 96 inmates of the overcrowded Ballinrobe Union Workhouse have died over the course of the preceding week from illness and other famine-related conditions, a record high. This year's potato crop again fails and there are renewed outbreaks of cholera.[2]