Cuthbert of Lindisfarne was an Anglo-Saxon saint of the early Northumbrian church in the Celtic tradition. He was a monk, bishop and hermit, associated with the monasteries of Melrose and Lindisfarne in the Kingdom of Northumbria, today in North East England and South Eastern Scotland. After his death he became the most important medieval saint of Northern England, with a cult centred on his tomb at Durham Cathedral. Cuthbert is regarded as the patron saint of Northumbria. His feast days are 20 March, 31 August and 4 September.