| Date | | | |
| 6-Jul-1929 | | Smith O'Brien Statue removed from D'Olier Street and erected in Lr. O'Connell Street at the junction of Lr. and Mid. Abbey Street. | |
| 11-Jul-1929 | | General Post Office in Lr. O'Connell Street reopened to the Public, the building having been destroyed in 1916. | |
| 14-Jan-1930 | | His Excellency The Most Rev Pascal Robinson, Titular Archbishop of Tyana, arrived in Dublin on his appointment as Papal Nuncio to Saorstat Eireann. | |
| 12-May-1930 | | The Third Free State National Loan for £6,000,000 issued. The lists closed on the 24th, the loan being fully subscribed. | |
| 1-Oct-1930 | | The Boundaries of Dublin City extended, under the provisions of the Local Government (Dublin) Act, 1930, so as to include the Urban Districts of Rathmines and Rathgar and Pembroke and certain-other rural districts of the County. Estimated population of the new City, about 410,000. | |
| 22-Jun-1931 | | The Royal Dublin Society, the oldest Society of its kind in the world to-day, being founded in 1731, for the advancement of Agriculture and other Branches of Industry and for the advancement of Science and Art, celebrated its Bi-Centenary by a series of brilliant functions in the week commencing the 22nd June. The Programme included a Reception and Garden Party at the Vice Regal Lodge by Their Excellencies the Governor General and Mrs. McNeill. A Conversazione and the stated Meeting held on Anniversary Day, June 25th, when distinguished representatives of many learned Societies, Universities and Colleges presented congratulatory Addresses; a Garden Party; a Period Ball (1700-1900). In addition to the official side the functions included a public Garden Fete and Popular Ball. | |
| 23-Jun-1931 | | First Treaty between -France and the Irish Free State signed. | |
| Sep-1931 | | Widespread flooding took place in Dublin and suburbs, consequent on a severe rainstorm.Damage estimated at about £20,000 caused by the River Dodder bursting its banks. | |
| 5-Oct-1931 | | Four Courts re-opened after a lapse of eight years. | |
| 7-Jun-1932 | | Butt Bridge opened for traffic after Re-building, by Most Rev. Dr. Byrne, D.D., Archbishop of Dublin. | |