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About us

To establish McMahon lines descending from Counties Monaghan and Clare in Ireland which will enable individuals descended from these clans to know their probable sept and County of origin. Also includes the two or three smaller septs of Mahon and all variations of Mac Mahon, Mac Mathghamhna, and Mac Mathuna including but not limited to: McArdle, McCaghey, McToal, McRorey, McHugh, McKeown, McPhillips, Mathews, Ennis, and Connolly. Anyone knowing of additional variants of the name, please contact us.