| Date | | | |
| 1251 | | New Coinage stamped in Dublin, bearing on it the king's head in a triangle, with the inscription, HENRICUS REX III. and the name of the mintmaster, RICHARD ON DIVE, for Dublin | |
| 1255 | | Luke, Archbishop of Dublin, dies, and is buried in Christ Church. | |
| 1259 | | The monastery of the Holy Trinity founded by the Talbot family, on the site on which Crow-street Theatre afterwards stood. | |
| 1262 | | Contention between the convent of Christ Church and the corporation of Dublin, about the tithe fish of the Liffey. | |
| 1266 | | An earthquake felt in all parts of Ireland. | |
| 1267 | | Violent contest between the archbishop of Dublin and the citizens, for an alleged violation of the privileges of the church, for which the Mayor and citizens were solemnly excommunicated, which was composed the next year by the interposition of the lord justice and council. | |
| 1268 | | Abbey of Weteschan, for Friars Penitent, founded near the Coombe. | |
| 1278 | | Carmelite, or White Friar's monastery, founded by Sir Robert Bagot, in Whitefriar-street. | |
| 1279 | | The coinage altered to a fixed standard, by command of Edward I. There were four mints in Dublin during this King's reign. | |
| 1282 | | High-street burned. | |