early Irish manuscripts

Difference Between the Mythological Cycle and the Ulster Cycle

The Difference between the Mythological Cycle and the Ulster Cycle lies in their focus, themes, and place within early Irish tradition: one presents Ireland’s supernatural origins, sacred kingship, and divine peoples, while the other centers on heroic warfare, honor, and the exploits of Cú Chulainn. This article explains how scholars distinguish these cycles, why the categories matter, and where their narratives overlap in medieval manuscripts.