| Date | | | |
| 1540 | | Silver testoons, two-pennies, and pennies, coined in Dublin. | |
| 1541 | | HenryVIII proclaimed king of Ireland instead of lord as before. General pardon on the proclamation of his new title. The Priory of Christ Church converted into a deanery and Chapter, and the Priory of Kilmainham extinguished. | |
| 1543 | | O'Donnel and his two brothers taken prisoners and confined when attending a council in Dublin, but after some time liberated. | |
| 1544 | | Archbishop Browne erects the prebends of St. John's, St.Michan's, and St. Michael's, in Christ Church. | |
| 1545 | | The abbey of St. Thomas the martyr, near Kilmainham, granted to Wm. Brabazon, ancestor to the Earl of Meath. | |
| 1546 | | Bernard Fitzpatrick sent his son Teague a prisoner to Dublin, where he was executed. | |
| 1547 | | The Byrnes and O'Tooles defeated by Sir Anthony St. Leger. | |
| 1548 | | The title of bailiffs of Dublin changed to that of sheriffs. John Ryan and Thomas Finiary, the last bailiffs being made the first sheriffs. A mint set up in Dublin., which soon failed for want of bullion. | |
| 1550 | | On Easter Sunday, the Liturgy was read in the English language in Christ Church, and printed next year by Humphry Powell, in Dublin, being supposed to be the first book printed in this city. | |
| 1551 | | The title of Primacy of all Ireland taken from the see of Armagh, and bestowed on that of Dublin. The Bible printed in Dublin. | |