Assist in the understanding of the geographic spread of the Clan both past and present utilizing genetic genealogy. To get the most out of your experience (for 'R' types) please test to 111 markers and test Big Y when able. Note: There are currently 132 variants of MacNeacail surname identified. The project is open to all Nic’s, Mc’s and Mac’s, thanks! Related Sites (the Nichols Project is the largest with most data points available): https://www.familytreedna.com/groups/nichols/about https://www.familytreedna.com/groups/nicholson/about