Fergus Foga

Pronunciation	/ˈfɜːrɡəs/ Irish: [ˈfʲaɾˠɣəsˠ] Scottish Gaelic: [ˈfɛrɛɣəs̪]
Gender	Male
Word/name	Proto-Celtic
Meaning	"man-strength, virility".
Region of origin	Scotland, Ireland, Isle of Man
Related names	Fearghus, Fearghas

Fergus
Family name
Pronunciation	/ˈfɜːrɡəs/ Irish: [ˈfʲaɾˠɣəsˠ]
Meaning	"man-strength, virility".
Region of origin	Scotland, Ireland, Isle of Man
Related names	Ferguson, , Kerruish

Fergus or Feargus is a popular Scottish or Irish male given name. It originally derives from the Proto-Celtic elements *wiros ("man") and *gustus ("vigour", "force", or "choice"). The first known example is with reference to a Pictish king.

As a surname, Ferguson or is common across Scotland but particularly in Perthshire and Ayrshire. In Ireland, the Ferris family of County Kerry derives its surname from the patronymic Ó Fearghusa.

...
Wikipedia