Where did the omahony name come from?

The surname O'Mahony is of Irish origin, derived from the Gaelic "Ó Mathghamhna," meaning "descendant of Mathghamhain," a personal name that translates to "bear" or "warrior." The O'Mahonys were historically associated with the province of Munster, particularly in County Cork, where they were a prominent family during the medieval period. The name reflects a lineage that traces back to ancient Gaelic nobility.