The McMahon Surname Project
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.
Other surnames in Project
Connolly, Ennis, Mac Mahon, Mahan, Mahon, Mathews, McArdle, McCaghey, McHugh, McKeown, McMahan, McMahen, McMahon, McPhillips, McRorey, McToal, McToal and names other than above, with 'McMahon' type DNA.
Join the McMahon surname project
If you want to join the McMahon project please order your DNA test here.