Man of force or vigorous man
Derived from the Gaelic elements 'fear' meaning man and 'gus' meaning vigor or force. It is a storied name in Scottish and Irish mythology, often associated with kings and legendary warriors.
About 19 boys were named Fergus in 2025.
US births per 5-year period, 1990–present (SSA data).
Prolific mystery novelist known for The Mystery of a Hansom Cab
Former Irish rugby union player
Brother of Queen Elizabeth The Queen Mother
A character in the video game series Suikoden · Suikoden
The birth name of the character Crowley · Supernatural
Adopted son of Jamie and Claire Fraser · Outlander