Br Maslin was moved from Tralee to Letterfrack in the early 1940s. It is not clear why he left Tralee in January and not August, the usual time for Brothers to move schools. He became the Disciplinarian in Letterfrack and, in the mid-1940s, one of his colleagues in Letterfrack wrote to the Visitor that Br Maslin, the Disciplinarian, ‘can inflict terrible punishment on children and the boys seem to have a awful dread of his anger’. The incident which gave rise to this complaint is discussed in detail in the chapter on Letterfrack. He was then moved from Letterfrack to Carriglea in January 1946, at a time when it was known to the Congregation authorities that there were considerable disciplinary problems in Carriglea.