Clan McMahon


the Kingdom of Oriel

Counties Monaghan, Armagh, Fermanagh, Louth and Derry,


and Beyond ....


Churchtown Spirals County Down


This site is devoted to revealing the history of Clan Mac Mahon of

Oriel, so that all those who are descended from this lineage may know

the true nature of their legacy.  This includes the following surnames:

McMahon, Mac Mahon, Mahon, Mathews, McArdle, McPhillips

 and others.