abstract:The name of McGurn, McGurran, Maggurran, Magorrin or Magurn, derives from an anglicisation of the older name of Mac-Samhradhain which can be spelled MacGauran, Magauran or Magovern. The owners of this name were chiefs of Teallach Eachach (translated as the tribe or region of the Ecchy) who had their territory in the Barony of "Tullaghagh", County Cavan.