 Little is known about the monastic community here.Canon William Carrigan suggested ""an ancient Church stood on the site from time immemorial to after the Cromwellian era"".John O'Hanlon reported that Diocese of Ossory ecclesiastical records names Saint Manchan as patron saint writing ""at Inisnag, diocese of Ossory, St. Manchan, whose feast occurs on the 14th of February, was venerated as a patron (Statuta Dioecesis Ossoriensis)"".