From there he was elected abbot of the monastery of St Marry of Florence,[2] but his austerity caused a revolt amongst the monks and he was forced to return to Fecamp.
[2] Maurilius succeeded Mauger, who was deposed by a council held in 1054 or 1055 at Lisieux under the guidance of a papal legate.
After Mauger's deposition, Maurilius was appointed because of his support for church reform.
[3] Contemporaries praised his saintly character which gained him respect from his fellow clergy.
[2] His last public act was to consecrate the new abbey church at Jumièges on 1 July 1067 in the presence of Duke William, newly returned from his conquest of England in 1066.