Fergus
/F-ER-G-AH-S/
Vigorous, the strong-man — from Old Gaelic Fergus (fer = man + gus = vigour, strength), Fergus is the foundational name of medieval Scottish and Irish kingship. Fergus Mór mac Eirc, the legendary 5th-century king who carried the Gaelic kingdom of Dál Riata from Ireland to Argyll, is the eponymous ancestor of the Scottish royal line.
Get Fergus's full report — patron saint, feast day & a portrait — freeQuick — what every Christian parent asks about Fergus:
How well does Fergus fit your family?
This page tells you what Fergus means. The app tells you whether it's right for your baby — scored against your family & your heritage, and your baby's birth details.
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Six signals — scored for your family & heritage, not in the abstract:
Meaning & origin
Yes — Fergus is a Christian boy name of Scottish Gaelic origin, meaning “Vigorous, the strong-man — from Old Gaelic Fergus (fer = man + gus = vigour, strength), Fergus is the foundational name of medieval Scottish and Irish kingship. Fergus Mór mac Eirc, the legendary 5th-century king who carried the Gaelic kingdom of Dál Riata from Ireland to Argyll, is the eponymous ancestor of the Scottish royal line.”.
Fergus is a boy's name of Scottish Gaelic origin, traditionally used in Christian families. The name means "Vigorous, the strong-man — from Old Gaelic Fergus (fer = man + gus = vigour, strength), Fergus is the foundational name of medieval Scottish and Irish kingship. Fergus Mór mac Eirc, the legendary 5th-century king who carried the Gaelic kingdom of Dál Riata from Ireland to Argyll, is the eponymous ancestor of the Scottish royal line." and belongs to the Courage cluster — names for children who will grow into bold, fearless hearts.
Common among Scottish, Irish, British, Australian, American, Canadian families, Fergus carries cultural weight that goes beyond its dictionary definition — it's a name with a story and a community.
The patron saint & feast day behind Fergus
Many Christian names carry a patron saint and a feast day (name day) — a tradition of choosing a name for the saint a child is born near, or one the family holds dear. Fergus lives in this tradition of meaning and heritage.
NameRoot connects the dots. See Fergus's patron saint, its feast day, and whether it aligns with your baby's birth — alongside its full family score.
See Fergus's saint & feast day →What does Fergus's numerology say?
Numerology assigns each name a single-digit destiny number by summing its letter values. Different schools use different mappings — NameRoot computes both so you can see how Fergus resonates in either tradition.
Fergus's destiny number is 4 — but a number only matters in context. The app matches it to your family's own numbers for a real compatibility read. See Fergus's full reading →
Does Fergus go with your family's names?
Fergus breaks into 5 sounds: /F-ER-G-AH-S/. The real test isn't how it sounds alone — it's how it sounds beside the names already in your family: yours, your partner's, and any brothers or sisters. NameRoot scores that harmony, so Fergus sits naturally next to a Mum and Dad like Michael & Anna, or a big sister named Gianna — no awkward clashes, no two names that blur together. Hear Fergus beside your family's names →
Nicknames
Common affectionate forms of Fergus — useful for everyday family conversation, early childhood, or as standalone given names themselves.
Names similar to Fergus
If Fergus resonates with you, these names live in the same world — drawn from the same tradition, sharing the same meaning, or echoing a similar sound.
From the same tradition
Other Christian boy names, common in Scottish families
Sharing the same meaning
Other Christian boy names from the Courage cluster
Names that sound similar
Christian boy names that open with the same syllables as Fergus
Explore more names
Keep exploring names like Fergus — by tradition, by meaning, or by first letter.
Common questions about Fergus
What does the name Fergus mean?
Fergus means "Vigorous, the strong-man — from Old Gaelic Fergus (fer = man + gus = vigour, strength), Fergus is the foundational name of medieval Scottish and Irish kingship. Fergus Mór mac Eirc, the legendary 5th-century king who carried the Gaelic kingdom of Dál Riata from Ireland to Argyll, is the eponymous ancestor of the Scottish royal line.." It is a boy name of Scottish Gaelic origin, traditionally used in Christian families.
Is Fergus a boy or girl name?
Fergus is most commonly used as a boy name.
What is the origin of the name Fergus?
Fergus is of Scottish Gaelic origin, used in Christian tradition, commonly among Scottish, Irish, British families.
Is Fergus a Christian name?
Yes. Fergus is a boy name traditionally used in Christian families, of Scottish Gaelic origin.
What does Fergus mean in Scottish Gaelic?
Fergus originates from Scottish Gaelic, where it means "Vigorous, the strong-man — from Old Gaelic Fergus (fer = man + gus = vigour, strength), Fergus is the foundational name of medieval Scottish and Irish kingship. Fergus Mór mac Eirc, the legendary 5th-century king who carried the Gaelic kingdom of Dál Riata from Ireland to Argyll, is the eponymous ancestor of the Scottish royal line.."
What are common nicknames for Fergus?
Common short forms of Fergus include Fergie, Fergs.
What is the numerology of Fergus?
Fergus has a Pythagorean destiny number of 4 — stability and disciplined work.
See how Fergus scores for your family
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