What does Fergus mean?
Fergus \f(e)-rgus, fer-gus\ as a boys' name is pronounced FER-gus. It is of Scottish, Irish and Gaelic origin, and the meaning of Fergus is "vigorous man". Anglicized form of the Gaelic name Fearghas, derived from fear meaning "man", and gus meaning "valor, vigour". The name of a shadowy hero in Irish mythology who was also the grandfather of Saint Columba. There was an eighth-century Irish bishop, Saint Fergus, who was a missionary to Scotland.
Fergus is a rare first name for males but a very popular surname for all people (#14813 out of 150436, Top 10%). (2000 U.S. Census)
Presented below is the baby name popularity of Fergus for boys. Fergus has yet to be recorded in the Top 1000 thus far. (2014 Birth Statistics)