Greenan and surname variants thereof are welcomed in this project. Please see "Background" page for: - Where to begin if you have paternal roots or speculative paternal roots in the Greenan family. - Further information on genetic genealogy and the basics behind Y-DNA testing and it's value. - Surname variants included in the project. - Etymology of the surname Greenan. - Information on the terminal SNPs of tested Greenan men. Please contact group administrators with any inquiries.