Clan Colquhoun: A Legacy of Loch Lomond, Luss and the Hart of the Highlands
Introduction
Clan Colquhoun is a historic Highland Scottish clan rooted in Dunbartonshire, Loch Lomond, Luss, Rossdhu, and the lands that rise between the lochside and the western Highlands.
The clan motto is:
“Si Je Puis”
“If I Can.”
The clan crest is:
A hart’s head couped Gules, attired Argent.
The plant badge is:
Hazel saplings.
The clan seat is Rossdhu House, near Luss on the shores of Loch Lomond. The current chief is identified by the Clan Colquhoun International Society as Sir Malcolm Colquhoun, 31st of Colquhoun, 33rd of Luss, 9th Baronet.
This article explores the history, people, heritage, tartans, crest, motto, lands, battles and modern legacy of Clan Colquhoun.
Chapter I: Origins of Clan Colquhoun
The name Colquhoun is territorial in origin. It comes from the lands of Colquhoun in Dunbartonshire, close to Loch Lomond.
The traditional pronunciation is often given as:
“Ca-hoon”
or
“Ka-hoon.”
The Gaelic form is commonly given as:
Clann a’ Chombaich
The clan’s early rise is linked with the old Lennox region. A traditional account states that the lands of Colquhoun were granted by Alexander II, Earl of Lennox, to Humphrey of Kilpatrick, and that Humphrey’s son Ingram became the first recorded Colquhoun.
The Colquhouns later became strongly associated with Luss, one of the most beautiful and historic settlements on Loch Lomond. Through landholding, marriage, royal service and regional influence, the clan became one of the major families of the Loch Lomond district.
Chapter II: Clan Territory and Ancestral Lands
Clan Colquhoun’s historic heartland lies around:
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Loch Lomond
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Luss
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Rossdhu
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Dunbartonshire
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The Lennox
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Glen Fruin
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Loch Long
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Dunglass
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The western edge of the Lowlands and Highlands
The clan seat is:
Rossdhu House
The historic seats include:
Dunglass Castle
Rossdhu
Luss
Modern references list Rossdhu House as the clan seat and Dunglass Castle as a historic seat.
The Colquhoun lands were strategically important because they lay near Loch Lomond, the routes into the western Highlands, and the approaches toward Loch Long. This placed the clan close to powerful neighbours, including Clan MacGregor, Clan MacFarlane, Clan Buchanan, Clan Lennox and others.
The beauty of Colquhoun country should not hide its danger. Loch Lomond’s shores were a frontier between settled Lowland influence and Highland raiding culture. The clan’s history was shaped by this borderland position.
Chapter III: Important People of Clan Colquhoun
Humphrey of Kilpatrick
Humphrey of Kilpatrick is central to the traditional origin of the clan’s territorial identity. He is said to have received the lands of Colquhoun from the Earl of Lennox. His descendants took their name from those lands.
Ingram de Colquhoun
Ingram, son of Humphrey, is often remembered as the first recorded Colquhoun. Through him, the territorial name became a family identity.
Sir John Colquhoun of Luss
Sir John Colquhoun of Luss is one of the key figures in the clan’s medieval history. He strengthened the family’s connection to Luss, making that district central to the clan’s later identity.
Sir Alexander Colquhoun of Luss
Sir Alexander Colquhoun of Luss was the chief during the violent feud with Clan Gregor that culminated in the Battle of Glen Fruin in 1603. He led the Colquhoun side during one of the most famous and tragic clan conflicts in Scottish history.
Sir Malcolm Colquhoun of Luss
The current chief is identified by the Clan Colquhoun International Society as Sir Malcolm Colquhoun, 31st of Colquhoun, 33rd of Luss, 9th Baronet.
His role preserves the living chiefly tradition of Clan Colquhoun into the modern era.
Chapter IV: Castles, Strongholds and Historic Sites
Rossdhu House
Rossdhu House, near Luss on Loch Lomond, is the modern seat most closely associated with the chiefs of Clan Colquhoun. It represents the clan’s long connection with the Loch Lomond landscape and the Luss estate.
Luss
Luss is one of the most important places in Clan Colquhoun history. It became central to the family’s identity and remains strongly associated with the chief’s title and lands.
The village of Luss, with its lochside setting, kirkyard and old stones, is one of the finest heritage sites connected with the clan.
Dunglass Castle
Dunglass Castle is listed as a historic seat of Clan Colquhoun. It represents an earlier phase of the family’s territorial power.
Glen Fruin
Glen Fruin is one of the most famous and tragic places in Colquhoun history. It was the site of the Battle of Glen Fruin on 7 February 1603, fought between Clan Gregor and allies on one side, and Clan Colquhoun and supporters on the other.
Loch Lomond
Loch Lomond is the spiritual landscape of Clan Colquhoun. Its waters, islands, glens and shorelands shaped the clan’s identity and placed them at the meeting point of Highland and Lowland Scotland.
Chapter V: Battles, Wars and Clan Events
Clan Colquhoun’s history includes territorial rise, Highland conflict, royal service and one of the most consequential clan feuds in Scotland.
The Rise at Luss
The family’s acquisition and consolidation of lands around Luss gave the clan its enduring identity. From this base, the Colquhouns became one of the important families of Loch Lomond and the Lennox.
Feud with Clan Gregor
The most famous conflict in Colquhoun history was the feud with Clan Gregor.
The feud grew from raids, retaliation, disputed authority and Highland frontier tension. The MacGregors raided Colquhoun lands, and the Colquhouns gained royal support to raise a force against them.
Battle of Glen Fruin — 7 February 1603
The Battle of Glen Fruin was fought on 7 February 1603. Clan Gregor and allied men fought against Clan Colquhoun and its supporters. The MacGregors won the battle, despite being outnumbered according to many accounts.
The battle was devastating for Clan Colquhoun. Reported casualties vary, but modern summaries commonly give Colquhoun losses as roughly 140 to 200 dead.
The aftermath was even more consequential. King James VI punished Clan Gregor severely, and the MacGregor name was later proscribed. A recent Scottish history summary describes Glen Fruin as a MacGregor victory that ultimately resulted in the persecution and outlawing of the MacGregor name.
For Clan Colquhoun, Glen Fruin became a place of grief, memory and identity.
The MacGregor Proscription
After Glen Fruin, the Crown moved harshly against Clan Gregor. The name MacGregor was banned, and many MacGregors were forced to take other surnames. The event shows how clan conflict could draw in the full force of royal authority.
This chapter of Scottish history remains controversial because it involved violence, law, propaganda, royal punishment and generations of inherited memory.
Chapter VI: Clan Crest, Motto and Badge
Clan Crest
The Clan Colquhoun crest is:
A hart’s head couped Gules, attired Argent.
This means a red stag’s head cut cleanly at the neck, with silver antlers. The hart suggests nobility, alertness, grace, speed and connection to the wild landscape.
Modern clan references consistently give the Colquhoun crest as a hart’s head.
Clan Motto
The clan motto is:
“Si Je Puis”
This means:
“If I Can.”
It is a motto of determination. It does not boast that the task is easy. It says that, if it is possible, the clan will attempt it.
For Clan Colquhoun, Si Je Puis carries the tone of courage under difficult circumstances: loyal, practical, determined and resilient.
Clan War Cry
The clan war cry is:
“Cnoc Ealachain!”
This is often translated as:
“Hill of the Black Willow.”
Modern references list it as the war cry of Clan Colquhoun.
Clan Badge
The plant badge of Clan Colquhoun is:
Hazel saplings
Modern clan references list hazel saplings as the plant badge.
Hazel is an ancient tree of wisdom, shelter and woodland life. It suits a clan rooted in the lochside woods and glens of western Scotland.
Chapter VII: Clan Tartans
Clan Colquhoun has recognised tartan traditions.
Colquhoun Tartan
The Colquhoun tartan is the main tartan associated with the clan. It is widely worn by those connected to the name and its septs.
Ancient and Modern Colquhoun Tartans
Modern tartan tradition commonly recognises both lighter Ancient Colquhoun and darker Modern Colquhoun forms. A recent clan-history summary notes that the Colquhoun tartan was documented by Wilsons of Bannockburn around 1810 and that the clan formally recognises two official setts: Ancient Colquhoun and Modern Colquhoun.
The Meaning of Colquhoun Tartan Today
For modern Colquhoun descendants, the tartan represents:
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Loch Lomond heritage
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Luss and Rossdhu
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The motto “Si Je Puis”
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The hart’s head crest
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Hazel saplings
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Glen Fruin memory
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Highland and Lennox identity
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Family pride and diaspora connection
The tartan gives visible form to a clan whose story is strongly tied to land, memory and survival.
Chapter VIII: Heritage, Identity and Clan Traditions
Clan Colquhoun represents one of the great Loch Lomond clan identities.
Its story includes:
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Dunbartonshire roots
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Lands of Colquhoun
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Luss
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Rossdhu House
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Dunglass Castle
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The Lennox
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Loch Lomond
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Glen Fruin
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Feud with Clan Gregor
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The hart’s head crest
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The motto “Si Je Puis”
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Hazel saplings as plant badge
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Colquhoun tartans
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A living chiefly line
Associated names and septs include:
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Colquhoun
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Calhoun
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Cowan
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Ingram
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Kilpatrick
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King
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Kirkpatrick
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Lang
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Laing
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McCowan
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McLintock
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McMain
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McManus
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McOwan
Modern clan reference material lists these as associated sept names.
The Colquhoun story is both Highland and borderland: Highland in identity, but placed in the crucial contact zone where Lowland power and Highland clan life met.
Chapter IX: Clan Colquhoun Today
Today, Clan Colquhoun remains a living Scottish clan with a recognised chief.
The Clan Colquhoun International Society identifies its patron and clan chief as:
Sir Malcolm Colquhoun, 31st of Colquhoun, 33rd of Luss, 9th Baronet.
Modern Clan Colquhoun identity can be found through:
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Clan Colquhoun International Society
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Family history research
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Tartan wearing
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Visits to Luss and Loch Lomond
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Study of Rossdhu and Dunglass
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Glen Fruin remembrance
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Scottish heritage events
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Diaspora communities across the world
The clan stands today as a symbol of determination, Loch Lomond heritage, resilience, family memory and Highland honour.
Chapter X: Legacy of Clan Colquhoun
The story of Clan Colquhoun begins in the lands of Dunbartonshire and rises into the lochside world of Luss and Loch Lomond.
It is a story of territorial identity, beauty, conflict and endurance.
Its crest, the hart’s head, speaks of nobility and alertness.
Its motto gives the clan its voice:
Si Je Puis — If I Can.
That phrase captures the Colquhoun spirit: not arrogance, but determination.
From Rossdhu House to Glen Fruin, from Luss to descendants across the world, Clan Colquhoun continues to carry its history forward.
Its legacy is written in tartan, hazel saplings, lochside kirkyards, old charters, battle memory, family records and the pride of those who still honour the name.
Tartan Time Machine Closing Paragraph
At Tartan Time Machine, we bring Scotland’s past into the present by exploring the clans, castles, battles, kirkyards, legends and forgotten stories that shaped the nation.
Clan Colquhoun is one chapter in that greater story — a story of Loch Lomond, Luss, Rossdhu, hart crests, hazel saplings, tartans, Glen Fruin and the enduring courage of those who say: If I can.
Discover more Scottish history, clan stories, castle features and heritage content at:
www.tartantimemachine.com