"man of vigor"
Origin: Old Irish
Language: English
Fergus
Pronunciation: [ f-ERG-uhs ]
Does Fergus flow with your last name?
An ancient Celtic warrior name full of vigor
Scottish
Irish
English
Vintage
Earthy
Strong
Traditional
Bold
Reviewed by the NamingEverything Editorial Team · Updated
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Nicknames
Nicknames for Fergus
2 shorthand options for every setting
Meaning & Origin
"supreme strength"
Origin: Scottish Gaelic
Language: English
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The Story of Fergus
Fergus derives from the Old Irish 'Fearghus,' a combination of 'fear' (man) and 'gus' (vigor, strength, energy). In Celtic mythology, Fergus mac Róich was a powerful king of Ulster and one of the central heroes of the Ulster Cycle — ancient Irish epic literature dating back over 1,500 years. The name has been in continuous use across Scotland and Ireland ever since.
Fergus has seen renewed interest in English-speaking countries as part of the broader revival of vintage Celtic names. In Scotland it remains consistently popular; in the US and Australia it's gaining traction among parents seeking names that are distinctive, accessible, and carry real historical weight.
Fergus is foundational in Scottish and Irish mythology and history. Fergus mac Róich appears throughout ancient Irish epic literature, and several historical Scottish kings bore the name. Kenneth MacAlpin, who united Scotland, may have been a descendant of a Fergus.
Historical Record
Fergus first appeared in US Social Security records in 1952.
Over 482 babies have been named Fergus in the United States since SSA records began.
Today, Fergus is a hidden gem — rare but distinctive , currently ranked #4,453 for boy names in the US .
Fun Facts
- Fergus mac Róich was a legendary king of Ulster in Irish mythology
- The name has been used continuously in Scotland for over 1,500 years
- Fergus is enjoying a quiet resurgence as parents seek bold vintage alternatives
Fergus in Other Languages
Irish
Fearghus
Latin
Fergustus
Welsh
Ffergws
Scottish Gaelic
Fearghas
Popularity Over Time
#4,453
Current Rank
Rising
Trend
Hidden Gem
Based on SSA data 1880–present
Year-by-year popularity data will be available soon.
Famous People Named Fergus
F
Fergus Henderson
Other
1963
British chef who founded London's St. John restaurant and pioneered nose-to-tail eating cuisine
F
Fergus mac Róich
Other
Legendary King of Ulster in Irish mythology, central hero of the Ulster Cycle epic tales
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See all →Quick Facts
- Gender
- Boy
- Syllables
- 2
- Popularity Rank
- #4,453
- Total SSA Count
- 23
- Cultural Origins
- Scottish Irish English
- Pronunciation
- Easy
- Formality
- Moderate
- Cross-Cultural Ease
- Moderate
Common Nicknames
Gus
Ferg
Middle Name Ideas
Suggested pairings based on syllable flow and style
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Timeless choice, English heritage match, extended 2-3 combo
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Timeless choice, English heritage match, extended 2-3 combo
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Timeless choice, English heritage match, extended 2-3 combo
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Timeless choice, smooth 2-2 syllable flow
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Timeless choice, English heritage match, extended 2-3 combo
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, smooth 2-2 syllable flow
Middle Names
Middle Names for Fergus
6 name pairings with syllable flow tips
Sibling Names
Sibling Match
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Frequently Asked Questions About Fergus
What does the name Fergus mean?
"man of vigor" (from Old Irish). "supreme strength" (from Scottish Gaelic). Fergus derives from the Old Irish 'Fearghus,' a combination of 'fear' (man) and 'gus' (vigor, strength, energy). In Celtic mythology, Fergus mac Róich was a powerful king of Ulster and one of the central heroes of the Ulster Cycle — ancient Irish epic literature dating back over 1,500 years. The name has been in continuous use across Scotland and Ireland ever since.
What is the origin of the name Fergus?
Fergus has Old Irish, Scottish Gaelic, Scottish, Irish, and English origins. In Old Irish, it means "man of vigor". In Scottish Gaelic, it means "supreme strength".
Is Fergus a boy or girl name?
Fergus is primarily used as a boy name.
How do you pronounce Fergus?
Fergus is pronounced f-ERG-uhs.
How popular is the name Fergus?
Fergus is currently ranked #4453 in popularity for boy names in the United States.
What are common nicknames for Fergus?
Common nicknames for Fergus include Gus and Ferg.
What are good middle names for Fergus?
Popular middle name pairings include Fergus James, Fergus Patrick, Fergus William, Fergus Hugh, Fergus Alastair, and Fergus Duncan.
What are good sibling names for Fergus?
Names that pair well with Fergus as siblings include Hamish, Alasdair, Fiona, Isla, Callum, and Morag.
How many syllables does Fergus have?
Fergus has 2 syllables, making it easy to say and remember.
Is Fergus a common or rare name?
Fergus is an uncommon name, ranked #4453 in the US. Its rarity gives it a distinctive, memorable quality.
About the Name Fergus
Fergus is a boy name with Scottish, Irish, and English origins . The name means "man of vigor" in Old Irish .
Fergus is currently ranked #4,453 in popularity for boy names in the United States.
The name Fergus has 2 syllables and is pronounced f-ERG-uhs, making it easy to pronounce and remember.
Common nicknames for Fergus include Gus and Ferg. These shorter forms provide casual alternatives while keeping the elegance of the full name.
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Sources
- U.S. Social Security Administration — National Baby Names Data (popularity rankings and historical trends)
- Behind the Name (etymology and meaning research)
- NamingEverything editorial research and analysis