Lios Dúin Bhearna

The Irish name Lios Dúin Bhearna comprises three elements—lios (ring-fort), dúin (fort), and bearna (gap)—yielding the meaning "ring-fort of the gapped fort," as documented in John O'Donovan's 1839 Ordnance Survey analysis. The name derives from an ancient earthen ringfort known as Doonvarna or Lissateeaun, situated approximately 1½ miles northeast of the present town centre. This structure, li...