| Date | | | |
| 3-Feb-1905 | | Earl of May invested with the order of St. Patrick | |
| 4-Feb-1905 | | Departure from Kingstown of H.R.H. the Prince of Wales | |
| 11-Feb-1905 | | Four Oil Paintings presented by H.R.H. the Prince of Wales to assist in establishing a Gallery of Modern Art in Dublin and as a remembrance of his first visit to Dublin as Prince of Wales. | |
| 15-Feb-1905 | | New Orthopaedic Hospital, Upper Merrion-st., opened by Their Excellencies the Lord Lieutenant and Countess of Dudley. | |
| 1-Mar-1905 | | Memorial Tablet in St. Patrick's Cathedral to the officers and men of the 8th King's Royal Irish Hussars, who fell in the South African war, unveiled by His Excellency the Lord Lieutenant. | |
| 15-Mar-1905 | | Rt. Hon. Walter Hume Long sworn in as Chief Education Secretary of Ireland, by His Excellency the Lord Lieutenant. | |
| 13-Apr-1905 | | Earl of Meath invested with the Order of St-Patrick. | |
| 25-Aug-1905 | | Severe rainstorm on the east coast of Ireland during which the rainfall in parts of Wicklow was from 4 to 5 inches in 24 hours, and at Rocky Valley, Sugar Loaf, 5 1/2 inches. Floods caused great destruction to property at Little Bray. | |
| 13-Dec-1905 | | Departure of His Excellency the Earl of Dudley, on resignation of Mr. Balfour's ministry. | |
| 14-Dec-1905 | | His Excellency the Earl of Aberdeen, G.C.M.G. sworn in as Lord Lieutenant, also the Rt. Hon. James Bryce, M.P., as Chief Secretary, and the Rt. Hon. Samuel Walker as Lord Chancellor. | |