| Date | | | |
| 2-Mar-1852 | | Departure from Dublin of His Excellency the Earl of Clarendon, Lord Lieutenant, consequent on the resignation of Lord John Russell's ministry. | |
| 10-Mar-1852 | | Arrival in Dublin of his Excellency the Earl of Eglinton and Winton, Lord Lieutenant of Ireland. | |
| 2-Apr-1852 | | Dr. Cullen elected successor to the late Archbishop Murray, by the parish priests of the Roman Catholic Archdiocese of Dublin. | |
| 1-Jun-1852 | | Electric Telegraph laid down between Holy-head and Dublin. | |
| 21-Jun-1852 | | £20,000 (subsequently increased by £6,000) , placed at the disposal of the Royal Dublin Society by Wm. Dargan, Esq., railway contractor, to be applied to an Exhibition of Irish Manufactures and other produce in Dublin, in 1853. | |
| 29-Jun-1852 | | Dr. Cullen enthroned as Roman Catholic Archbishop, in the Church of the Conception, Marlborough-st. | |
| 30-Sep-1852 | | The Dublin Royal Exchange opened by the Corporation as the City Hall. | |
| 14-Oct-1852 | | The Senate of the Queen's University in Ireland sits in Dublin Castle, for the purpose of conferring degrees, for the first time. | |
| 25-Oct-1852 | | His Excellency the Earl of Eglinton and Winton, Lord Lieutenant of Ireland, visited the site of the building to be erected for the Great Industrial Exhibition of 1853, on the Royal Dublin Society's Lawn, Merrion-square, when the ceremony of raising the first pillar was gone through by His Excellency. The design for the building is by Sir John Benson, C.E. | |
| 10-Nov-1852 | | Shock of an Earthquake felt in Dublin and vicinity, at 10 minutes past 4, A.M. | |