Joseph Magodaig (MacThegadan or Mac Teichthecháin) was an Irish priest in the mid thirteenth century: the first recorded Archdeacon of Ardagh:"Fasti Ecclesiae Hibernicae: The succession of the prelates Volume 3" Cotton, H. p191 Dublin, Hodges & Smith, 1848-1878 he was Bishop of the Diocese from 1230 to 1233."Fasti Ecclesiae Hibernicae: The succession of the prelates Volume 3" Cotton, H. p181 Dublin, Hodges & Smith, 1848-1878
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