 He is next found on 1 October 1392 witnessing two charters of Euphemia I, Countess of Ross at Stirling, the royal burgh on the edges of Menteith and the diocese of Dunblane.A papal mandate of 27 October 1394 provided one Dómhnall "de Bute" as Dean of Dunblane, annulling Bishop Dúghall's own provision of Dómhnall made "in ignorance of the reservation" earlier made by the pope.On 4 September 1395 the bishop is mentioned in a papal document concerning the succession to one of the churches in his diocese.