This is a project of the Clan Fergusson Society of North America aka CFSNA. It is open to anyone worldwide who has a Fergus(s)on ancestor and a suitable yDNA donor. The term Fergus(s)on refers to the surnames Fergus, Ferguson and Fergusson, variants of those names or any of the recognized sept names. A suitable yDNA donor is a male descended in the direct paternal line from their Fergus(s)on ancestor.