Cill Easra

Killester takes its name from an early medieval church dedicated to St. Lassera, documented in O'Donovan's 1837 Ordnance Survey Parish Namebooks. The site likely hosted a small monastic community in the early Christian period, with religious buildings occupying the location for centuries. By the twelfth century, the manor of Killester had entered the Anglo-Norman administrative system under Adr...