Sekadi ring Inggris, parlemen ring Irlandia nglimbak saking "dewan ageng" Magnum Concilium panyeledihi saking gubernur saking Irlandia, sané kasarengin olih dewan (curia regis), sang sané kasengguh kasub (feudal lords), miwah manggala ring gereja (bishops miwah abbots).
As in England, the Parliament of Ireland evolved out of the Magnum Concilium "great council" summoned by the chief governor of Ireland, attended by the council (curia regis), magnates (feudal lords), and prelates (bishops and abbots).