 The manuscripts were certainly produced by and for monasteries, and the evidence suggests that metalwork was produced in both monastic and royal workshops, perhaps as well as secular commercial ones.In the 6th and 7th centuries, Irish monks established monastic institutions in parts of modern-day Scotland (especially Columba, also known as "Colmcille" or, in Old Irish, "Colum Cille"), and on the continent, particularly in Gaul (especially Columbanus).Monks from Iona under St. Aidan founded the See of Lindisfarne in Anglo-Saxon Northumbria in 635, whence Gaelic-Irish practice heavily influenced northern England.