| Date | | | |
| 3-Jun-1889 | | The Lord Lieutenant and Marchioness of Londonderry opened the new coast road from Dalkey to Killiney. | |
| 3-Jun-1889 | | The Jubilee General Meeting of the Irish Medical Association held in the College of Surgeons, Stephen's-green, in the absence of the President, Mr. A. K. Young, Dr. J. G. Mayberry took the chair | |
| 30-Aug-1889 | | Departure of His Excellency the Marquess of Londonderry, K.G, Lord Lieutenant of Ireland, on his resignation of the Viceroyalty. | |
| 5-Oct-1889 | | His Excellency the Earl of Zetland sworn in as Lord Lieutenant of Ireland. | |
| 7-Dec-1889 | | Issue of £500 ,000 3 1/4 per cent. Stock, under Dublin Corporation Loans Act, 1889, redeemable at par 1st January, 1944. | |
| 14-Dec-1889 | | Public entry of His Excellency the Earl of Zetland as Lord Lieutenant of Ireland. | |
| 29-Aug-1890 | | Ceremonial of opening the New Science and Art Museum and National Library in Kildare street by His Excellency the Lord Lieutenant, on which occasion Mr. Thomas Deane, the architect, received the honour of knighthood. | |
| 1-Oct-1890 | | Lord Wolseley arrived in Dublin as commander of the Forces in Ireland in succession to H.S.H. Prince Edward of Saxe-Weimar. | |
| 13-Oct-1890 | | Centenary of the Rev. Theobald Mathew- "Father Mathew," the great Apostle of Temperance; the top-stone of a monument to his memory, in Sackville-street, was laid by the Right Hon. E. J. Kennedy, Lord Mayor of Dublin. | |
| 1891 | | Census of the population of Dublin taken. Number of inhabitants within municipal borough 245,001, inhabiting 25,764 houses. | |