Saint Felim was a sixth-century Irish priest, hermit, and bishop who lived during the mid-500s. Born into a noble lineage in County Meath, he was a student of Saint Columba and eventually became the first known Bishop of Kilmore. He is recognized for establishing a monastery near Kilmore in County Cavan, a site where he lived as a hermit. As a significant figure in early Irish Christianity, he is remembered as the patron saint of the Kilmore diocese.