Dictionary of Medieval Names
from European Sources

Fergus m. Old Irish fer 'man' + Old Irish gus 'vigour, force'.

The name of a number of early legendary Irish and Scottish kings, an 8th C saint, and an 8th C king of Dál Riata.

One of the most common names in early Ireland.

Scotland
Latin
1376 Fergucii (gen) morton-vol1 16, Fergusii (gen) ibid. 16
Cite as: S.L. Uckelman. "Fergus". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Fergus.